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growth, we add a little fluid extract of only at certain times, based on the process jaborandi, say two drams.-ED.]

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EDITOR MEDICAL WORLD:-Miss A., age about 15, strong and healthy; has had petit mal since last August; is quite a bit improved under treatment. What I wish to know is this: would it be advisable to examin the clitoris if the spells cannot be stopt? The ciltoris may be bound down by an adherent prepuce, but I would like to have your opinion. I know it's a rather delicate matter to suggest and of course would give an anesthetic if I should examin. S. D. S.; MINN.

[There is no possible objection to making such an examination under an anesthetic, except the slight one of danger from the anesthetic itself, provided you make sure to have some of her female relativs in the room during the entire anesthetization and examination; this as a matter of precaution. You are in duty bound to make every endeavor to search out the cause, if it be discoverable, for these attacks. -ED.]

Concerning Prevention of Conception. EDITOR MEDICAL WORLD--I agree with you in regard to the prevention of conception in well selected cases: and if it is ethical for us to abort in certain cases, why not save the patient the pain and danger? Every textbook on obstetrics treats on the subject of abortion, but I have been unable to find anything of value on the prevention of conception, and would like to know what is considered the most practical J. L. M., M.D.; Mo.

method.

of ovulation—the probable date of discharge of the ovum from the genital tract. This plan would permit the cohabitation of husband and wife only at certain portions of the month-and this as well as every other method is more or less uncertain. As to other methods, perhaps the average doctor knows as much as the Editor does. If not, ask the druggist. -ED.]

Price Marks.

EDITOR MEDICAL WORLD:-Find inclosed one dollar for subscription in advance. Every number is worth a whole dollar. Don't offer me any four-years-for-three-dollar cut rates. It is worth more.

Will some one kindly tell me a good system for marking merchandise cost in numbers instead of letters of the alphabet?

Let us hear from some of the "common herd" who are not paid boosters about "The Animal Therapy Co., of Chicago. W. M. BECK, M.D. Hanley Falls, Minn.

[It was always our impression that figures or numerals were hard for many people, especially clerks, to learn so that they could be read rapidly without great chances of error. Many years ago, when in business, we used a mark, as follows, which was satisfactory:

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TRY AND LIVE 1 2 3 456 7890 But these plans do not question exactly, as the letters are used instead of the figures, and you want a figure system, but one which will not "give away" the price mark. Perhaps some one else can help you. If any of the family know of a better, we will be glad to hear of it.-ED.]

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EDITOR MEDICAL WORLD:-Can you give me anything_regarding a preparation or nostrum called Dr. Covert's Nerve Tonic and Blood Purifier"? It is made in California. I have lots of calls for it here, but suppose it is some worthless preparation. J. N. THRESH.

[This is one of a number of similar inquiries that have come lately. Those who have read THE WORLD carefully know that it is now against the law to publish or to transmit by mail any method of preventing conception. The purpose of this law is in the interest of morality and population; as the unlimited dissemination of information of this kind would lead to gross abuses. However, physicians are supposed to be acquainted with one method, entirely physiological, operativ information.—ED.]

Danvers, Ill.

[We have no information concerning its composition, and think it has not "workt" so far east. If any of the family know anything of it, we will be glad to publish the

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[The Principles of Ethics, which succeeded the old "Code," is publisht by the American Medical Association, Dearborn Street, Chicago, at the low price of 5 cents, we think. They may also have copies of the old "Code" left over, if you wish to make comparison. Write the Association for information on this subject.-ED.]

EDITOR MEDICAL WORLD-Can you or any of the family give the formula of Wither's Antizymotic solution," put up in Baltimore, Md.? It is an old preparation, and I do not know if it is in the market now. E. ELMER Oder. 13420 Ontario Ave., Chicago.

[The editors do not know the composition. If any of the family have the information, will they kindly send it in for publication?-Ed.]

CURRENT MEDICAL THOUGHT

Vasectomy as a Means of Preventing
Procreation.

It can readily be seen that one subjected to castration would in all probability become very morose and downcast on account of the deformity alone. Besides, the testicle has a double function, that of providing an internal as well as an external secretion, and the organism cannot maintain a normal condition when robbed of this internal secretion. This is manifested by the perceptible change in the eunuch.

Since October, 1899, I have been performing an operation known as vasectomy, which consists of ligating and resecting a small portion of the vas deferens. This operation is very simple and easy to perform. I do it without administering an anesthetic either general or local. It requires about three minutes' time to perform the operation and the subject returns to his work immediately, suffering no inconvenience, and is in no way hampered in his pursuit of life, liberty, and happiness, but is effectivly sterilized. I have been doing this operation for over nine years. I have 456 cases that have afforded splendid opportunity for postoperativ observation and I have never seen any unfavorable symptoms.

There is no atrophy of the testicle, no cystic degeneration, no disturbed mental or nervous condition following, but, on the contrary, the patient becomes of a more sunny disposition, brighter of intellect, ceases excessiv masturbation, and advises his fellows to submit to the operation for their own good. And this is the point in which this method of preventing procreation is so infinitly superior to all others proposed-that it is indorst by the persons subjected to it. All the other methods proposed place restrictions and, therefore, punishment the subject; this method absolutely does not. There is no expense

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to the state, no sorrow or shame to the friends of the individual, as there is bound to be in the carrying out of the segregation idea.

There is a law providing for the sterilization of defectivs in effect in Indiana and it is being carried out at the Indiana reformatory. I regret very much that it is not being followed up in the other institutions of the state; but there is no doubt that it will come about in a very short time.

Brown-Séquard, one of the earliest observers of the effect of the secretions of the reproductiv glands, said that an extract from the fresh testis, when injected under the skin or into the blood current, had a remarkable influence on the nervous system, mental and physical vigor; that the activity of the spinal centres were greatly improved, not only in cases of general prostration and neurasthenia, but also in the case of the aged. Brown-Séquard maintained that the general dynamogenic effect was due to some unknown substance formed in the testicle and subsequently passed into the blood. Altho many of the more recent investigators as Poehl, Zath and others assert that it is found in the external secretion, my own observations lead me to indorse the opinion of the latter.

After observing nearly 500 males in whom I had severed the vas deferens, I am prepared to state that there is not only a diminution of the muscular and nervous fatigue resulting from muscular exertion but also a lessening of fatigue sensation and a decided increase of energy and well being. I have observed splendid results in cases of neurasthenia.

That severing the vas deferens or the oviduct does not arrest the sexual development has been proved by doing the operation on young animals before they reached the period of puberty. That there is no atrophy or cystic degeneration has been satisfactorily demonstrated by ten years' observation. It was on account of these facts that I suggested that the vas deferens in the male and the oviduct in the female be severed as a means of preventing procreation in defectivs, as the operation has no deleterious effect on the subject, but the contrary. The operation in no way endangers life.

After cleansing the scrotum with soap and water, I bathe the part in alcohol, then grasp the spermatic cord between the thumb and the indexfinger of the left hand, detect the vas, hold it firmly and fix it with a pair of bullet forceps, then cut down on it, draw it thru the scrotal wound by means of a tenaculum hook, strip it of all membranes and the accompanying artery, ligate above and sever, cutting away any portion from the vas that may have been damaged in the manipulation. This is done in order that the end next to the testicle may not become closed. It is very important that it shall remain open, in order that the secretion of the testicle may be

emptied around the vessels of the pampiniform plexus and there absorbed, for it is thru this process that the economy receives the tonic effect of the secretion; also, where the end closes there is likely to be cystic degeneration. The action of the muscle closes the skin wound and no stitch, collodion, or adhesiv plaster is needed. The patient returns to his work immediately and suffers but little inconvenience.

There is no diminution of the sexual power or pleasure. The discharge at orgasm is but slightly decreast.

The operation in the female is more difficult, but, if skillfully done, no more hazardous. The oviduct is reached thru a median incision, the tube ligated near the uterus and severed beyond the ligature.

There are over 300 girls in the institution for the feeble-minded in Indiana who, if treated in this manner, would be able to leave the institution and be self-supporting, as the only reason for detention is for the purpose of segregation, as they have not the character to resist the importunities of unprincipled men when thrown on their own resources. The result is that when they are releast from the institution they shortly return in а state of pregnancy or marry some one unable and unfit to rear a family. In either event there is an addition to the dependent class. With the oviduct severed this danger is absolutely obviated. In case of the male the desire for the opposit sex is in no way diminisht; his mind is strengthened, and his nervous system benefited from the reabsorption of sperm. has a decided effect on the centres of selfrestraint, besides improving the physical condition, as the masturbator refrains from excessiv indulgence in this practise. Almost wholly as the result of increast will-power, the rapist or criminal will be aided in resisting his pernicious impulses. Thus we have a means of preventing procreation in the unfit, at the same time improving the condition of the unfortunate individual.Dr. H. C. Sharp, of Indianapolis, in Jour. A. M. A.

The American Druggists' Syndicate.

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The Journal A. M. A. in the Department of Pharmacology, January 8th, exposes the American Druggists Syndicate, an arrangement whereby retail druggists become partners in the wholesale manufacture of nostrums. The "patent medicin" manufacturers have been making enormous profits and the druggists who care for profits more than decency have shared in their boom. More recently, however, the department store drug counters and other cut-rate concerns have been encroaching on the "patent-medicin' profits. This has led some of the retail druggists to take stock in the co-operative enterprises that have entered the field. The American Druggists Syndicate, for short the A. D. S., has been previously referred to in The Journal. It is one of the most impudent in its claims and obnoxious in its methods. According to the advertisements, it is an association of retail druggists who are daily compounding thousands of prescriptions written by the most eminent physicians of the country which they have an opportunity of testing, "and those which prove the very best by practical tests, are forwarded by each druggist member to the A. D. S., and from the thousands presented, a competent board of physicians and chemists select the

premium prescription and offer it to the public in a ready-made package." Samples of a number of their advertisements of preparations are given which are very similar to those of the average nostrum. One of their_advertising schemes was the sending out of a Pullman car containing an exhibit of their products and the concern was labeled "A Druggists' Organization for the Protection of the Public Health." All this means that a large number of retail druggists are using the mask of honest prescription filling to hide their real object in business-the pushing of nostrums into use by the public. The Journal also points out the relations that seem to exist between the National Association of Retail Druggists and the A. D. S. The former organization seems to be falling into the hands of the latter. The medical profession in its fight against nostrums seems to be thus deprived of the assistance which it should receive from pharmacists. It is to be hoped that the very near future will bring with it some means of differentiating between the nostrum advocate and the pharmacist who is willing to do a purely legitimate business.

Cancerol.-Dr L. T. Leach's Cancer Cure and His
Parkview Sanatorium.

In recent issues of The Journal details were giver of two "cancer cure" concerns that have been declared fraudulent by the post-office authorities. This week we present a third, that of Dr. L. T. Leach and his "cure," Cancerol. In giving this case, we cannot do better than to quote it at length from the memorandum which was submitted by the assistant attorney-general, Judge R. P. Goodwin, to the postmaster-general:

"Dr. Leach advertises as a cancer specialist. He small treats patients chiefly by mail, but conducts a sanatorium at Indianapolis, where such few patients as present themselves are cared for. About 90 per cent. are mail patients. The mail treatment costs about $25 month and the sanatorium treatment about $150 a month.

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"Dr. Leach is about 35 years of age and graduated from the Medical College of Indiana in 1901. For some time after his graduation he assisted his father-in-law, Dr. D. M. Bye, in a business similar to that under discussion, and later commenced this business of his own. This is the extent of his experience in treating cancer.'

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As a specimen of advertising done by Leach, we reproduce an advertisement that appeared in the Kansas Farmer, November 21, 1907. This seems to have been the stock "copy" used by this concern in obtaining its

Free Book About Cancer

CANCEROL has proved its merits in the treatment of cancer. It is not in an experimental stage. Records of undisputed cures of cancer in nearly every part of the body are contained in Dr. Leach's new 100-page book, This book also tells the cause of cancer and instructs in the care of the patient; tells what to do in case of bleeding, pain, odor, etc. A valuable guide in the treatment of any case. A copy of this valuable book free to those interested. Address, Dr. L. T. LEACH, Box 12, Indianapolis, Ind.

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victims. It is interesting in this connection to note that a subscriber to the Kansas Farmer who criticised the "medical" advertisements which that publication carried, was told by the editor, that "we will not assist in any kind of a swindle."

CANCEROL.

On his [Leach's] receipt of an inquiry, a copy of a pamphlet entitled "Facts About Cancer," a symptom blank, and a sheet containing alleged testimonials are sent to the correspondent. These matters are carefully prepared to convey the impression that Dr. Leach has discovered and offered a treatment by medication that will cure practically all cases of cancer. For example, such statements as the following are made:

"The agent which meets this requirement is Cancerol. Hundreds have been cured in this way where it would

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have been impossible to come to my Sanatorium. cerol is the mildest efficient remedy known. Cancerol may be employed in most any situation of the body. Cancerol has cured many cases where all other remedies have failed.

"Here is one who has made a specialty of the disease and who cures cancer.

"I can cure more serious cases of cancer than any one else, bar none.

"In the vast majority of cases the medical treatment which I employ, in varying strengths and combinations,

will give satisfactory results when all other methods fail.

"I do not know that I have ever failed in a case where I had given it as my professional opinion that I could I have cured many of those so-called incurable and hopeless cases; pronounced so by some physicians.

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"Nothing has ever been compounded which, in my judgment and in the judgment of other competent doctors, is as efficient as Cancerol. Where I can get cases early, not one in ten need result fatally.'

"The correspondent is informed that, if he will answer the questions asked in the symptom blank, Dr. Leach can correctly diagnose his trouble and will advise him of his condition.

"On the return of the symptom blank, Dr. Leach continues his correspondence, pretending to report his opinon of the disease, and offering to treat the case by mail at about $25 a month."

ANALYSIS OF THE "CURE."

The medicins were analyzed by the government chemists and found to consist essentially of cottonseed oil and simple tonics. The "treatment" for cancer of the uterus consisted of:

1. "Blood Renovator." Found to be but a simple bitter, alcoholic tonic. Consisted of

2.

"Cancerol: Reg. U. S. Pat. Office." cottonseed oil.

3. "Special Germ Killer and Disinfectant." A fluid similar to cresol, but which, diluted to the degree called for in the directions, possesed little, if any, germicidal power.

4. Red, sugar-coated pills, consisting essentially of sodium bicarbonate, ferrous sulfate, capsicum, and glucose; in other words, a simple iron tonic.

Should the victim have an external cancer, he was sent the simple tonic, the cottonseed oil and the red pills as described above, and in addition received:

"Prescription 16": An alcoholic preparation containing

opium.

"Healing Salve": Boric acid and bismuth salts in petrolatum.

"Day Oil": One-half ounce of ichthyol. "De-Vit-Ol": Caustic paste containing 34 per cent. of

arsenic."

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"The inspector obtained the names of persons who had paid money to this advertiser, and by correspondence received reports of the results of the treatment in about forty instances. Examination of this correspondence reveals that but seven out of the forty claimed to have been cured, and that in but two cases was the patient examined by a local physician who diagnosed the trouble as cancer. In eighteen other instances in which the local physician had examined the patient and stated that the trouble was cancer, the patients found no benefit from the treatment. In no case had there been a microscopic examination of the growth, so that it cannot be positivly said that in any case the disease was a true cancer.

"The result of this correspondence is so strikingly in contrast with the advertising claims as to prove conclusivly, I think, the spurious quality of the medicins that are sold by this advertiser as a cure for cancer, and especially in view of the findings of the analyses."

After thus showing the mendacity of Leach's claims, the valuelessness of his medicins, and the worthlessness of his "cures,' Judge Goodwin, the assistant attorneygeneral, sums up the case against this man as follows:

"Dr. Leach's pretense that he can properly diagnose cases of cancer and prescribe remedies for them without

personal examination merely by this correspondence scheme is without any scientific or proved foundation, and he must well know that it is mere pretense. What is undoubtedly the fact that out of the many cases submitted to him and diagnosed by him as cancer there are some which are not cancer at all, but simply non-malignant sores which in some instances yield to treatment, is what affords him a basis on the recovery of such cases to claim that he has cured cancer.

"That Dr. Leach has not succeeded where the profession has failed, and that he is not honestly endeavoring to cure his patients, but that his pretensions to have discovered a cure for this disease are false and fraudulent and asserted merely to deceive and defraud suffering humanity, is revealed by the analysis of his medicins and the finding that they are merely cottonseed oil and some ordinary tonics and caustics."

In short, it was fairly evident that Leach's business was that of using the United States mails as a means of obtaining money by fraud. This being the case, the assistant attorney-general recommended that the postmaster-general should issue a fraud order against Leach. This was done.-Jour. A. M. A.

Virginia Examination Questions with Answers. Used June 22, 23, 24, and 25, 1909.

ANATOMY AND EMBRYOLOGY.

1. Describe briefly the nasal cavity and the bones which enter into its formation.

2. Describe the sacrum and tell what passes thru the openings in it.

3. (a) What membranes envelop the brain? (b) What processes are formed by the outer one?

4. Name the bones which form the foot, and give the articulation of each.

5. Give the course and relations of the ureter in the female pelvis.

6. What nerves supply the tongue?

7. Name the muscles attached to the scapula. 8. Describe the abdominal aorta.

and give their general distribution.

Name its branches

9. Give boundaries and contents of Scarpa's triangle. 10. Give the course and relations of the colon.

Answers to the Above Questions.

1. The nasal cavities are two large, irregular shaped cav. ities, situated one on each side of the middle line of the face, extending from the base of the skull to the roof of the mouth, and separated from each other by a median septum. They open in front by the anterior nares, with the face; and behind, by the posterior nares, with the nasopharynx. They are wider below than above. Bones entering into their formation are: Frontal, sphenoid, ethmoid, lachryma!, nasal, palate, superior maxillary, vomer, and inferior turbinated.

2. For description of sacrum, see any text-book on anatomy. The sacral nerves pass thru the foramina in the sacrum.

3. (a) Membranes which envelop the brain: Dura, arachnoid, and pia. (b) The processes of the dura: Falx cerebri, falx cerebelli, tentorium cerebelli, and diaphragma sellæ.

4. The os calcis articulates with the astragalus and cu boid; the astragalus with the tibia, fibula, os calcis, and navicular; cuboid with the os calcis, external cuneiform, fourth and fifth metatarsals; navicular with the astragalus and third cuneiform; internal cuneiform with the navicular, middle cuneiform, first and second metatarsals; middle cuneiform with the navicular, internal and external cuneiform, and second metatarsal; external cuneiform with the navicular, middle cuneiform, cuboid, and second, third and fourth metatarsal; the metatarsals articulate with the tarsal bones by one extremity, and by the other with the first row of phalanges; the number of tarsal bones with which each metatarsal articulates, is one for the first, three for the second, one for the third, two for the fourth, and one for the fifth; the phalanges of the first row, with the metatarsal, bones behind and second phalanges in front; the second row of the four outer toes, with the first and third phalanges; of the great toe, with the first phalanx; the third row of the four outer toes, with the second phalanges.

5. The ureter, in the female pelvis, runs downward in front of the sacroiliac synchondrosis, then upon the Obturator internus and its fascia, lying behind and below the Psoas; it then enters the uterovesical fold below the obliterated hypogastric artery. It passes down parallel with the cervix uteri and the upper part of the vagina, behind the uterin artery, thru the uterin plexus of veins, and below the broad ligament; it crosses the upper third of the vagina to reach the vesicovaginal interspace, and enters the bladder opposit the centre of the vagina.

6. The nerves which supply the tongue are: (1) The lingual branch of the inferior maxillary division of the trigeminus (sensation); (2) chorda tympani (taste); (3)

lingual branch of the glossopharyngeal (taste and sensa. tion); (4) hypoglossal (motor).

7. The muscles attacht to the scapula are: Subscapularis, Supraspinatus, Infraspinatus, Trapezius, Deltoid, Omohyoid, Serratus magnus, Levator anguli scapula, Rhomboideus, major and minor, Triceps, Teres major and minor, Biceps, Coracobrachialis, and Pectoralis minor.

8. The abdominal aorta begins at the aortic opening in the diaphragm and extends to left side of the fourth lumbar vertebra, where it divides into the two common iliacs. It lies to the left side of the inferior vena cava.

Its branches are: (1) Phrenic, to diaphragm. (2) Celiac aris, to stomach, liver, and spleen (also to esophagus, pancreas, and omentum). (3) Superior messenteric, to small intestin, ascending and transverse colon. (4) Inferior mesenteric, to descending colon, sigmoid flexure, and rectum. (5) Suprarenal, to suprarenal body. (6) Renal, to kidney and ureter. (7) Spermatic or ovarian, to testes or ovaries, and round ligament. (8) Lumbar, to muscular wall and skin of abdominal cavity. (9) Middle sacral.

9. Scarpa's triangle is bounded above by Poupart's ligament, externally by the sartorius, and internally by the inner margin of the adductor longus; its apex is formed by the junction of the adductor longus and sartorius. The floor is formed, from without inward, by the iliacus, psoas, pectineus, adductor brevis, and adductor longus. Contents: The femoral vessels pass from about the centre of the base to the apex, the artery being on the outer side of the vein; the artery gives off the superficial and profunda branches, and the vein receives the deep femoral and internal saphenous; the anterior crural nerve lies to the outer side of the femoral artery; the external cutaneous nerve is still further external, lying in the outer corner of the space; just to the outer side of the femoral artery, and in the sheath with it, is the crural branch of the genito-crural nerve. At the apex the vein (which at the base was internal to the artery) lies behind the artery. The triangle also contains fat and lymphatics.

10. The colon is divided into ascending, transverse descending, iliac, and pelvic.

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The ascending colon extends from the cecum to the under surface of the liver to the right of the gall-bladder, where it turns to the left, forming the hepatic flexure. lies in the right iliac and right hypochondriac regions. The peritoneum covers the anterior and lateral surfaces. Length, 8 inches. Relations. In front: The convolutions of the ileum; behind: Iliacus, quadratus lumborum, outer side of right kidney.

The transverse colon passes from right to left, from the gall-bladder to the spleen. It forms an arch, convex anteriorly and below: the transverse arch of the colon. It is entirely surrounded by peritoneum, which is attached posteriorly to the spine, forming the mesocolon. Length, 20 inches. Relations.-Above: Liver, gall-bladder, large curvature of stomach, lower end of spleen; below: small intestins; anteriorly: anterior layers of great omentum, anterior abdominal wall; posteriorly: right kidney, second part of duodenum, transverse mesocolon, pancreas, and small intestins.

The descending colon passes from the end of the transverse colon by a bend, the splenic flexure. Between the splenic flexure and the diaphragm, opposit the tenth left rib, is a fold of the peritoneum, the costocolic ligament, which slings up the spleen. The gut then passes downward to the iliac crest, ending in the iliac colon. The peritoneum invests its anterior and lateral surfaces. Length, 4 to 6 inches. Relations.-Behind: left crus, left kidney, quadratus lumborum, and psoas; in front: small intestins; inner side: outer border of left kidney.

The iliac colon is continuous with the descending colon at the left iliac crest, and ends at the inner border of the left psoas. Peritoneum invests its anterior and lateral surfaces; it has no mesentery. Length, 5 to 6 inches. Relations. In front: Small intestins; when distended, the anterior abdominal wall; behind: left iliopsoas.

The pelvic colon extends from the inner border of the psoas to the level of the third sacral vertebra. Length 16 or 17 inches; very variable. It has an extensiv mesentery. Relations-Passing over left brim of pelvis, it crosses the left external iliac vessels and left ureter, and passes to right margin of pelvis, resting on bladder in male and uterus in female; above lie coils of small intestin. It then turns back to midline on posterior wall of pelvis, and, forming a second bend, descends to end in the rectum.-(From Aids to Anatomy.)

PHYSIOLOGY.

1. Describe the digestiv processes which take place in the mouth and stomach.

2. What changes take place in the blood in its passage thru the lungs? What is tidal air and residual air?

3. Which portion of the glandular structure of the kid ney excretes the salts, and which the watery constituent of the urin? Describe normal urin.

4. What nerves form the solar plexus, and what organs (viscera) does it supply?

5. Give the origin, function, and distribution of the seventh cranial nerve.

6. Name the varieties and respectiv functions of the glands of the skin. Where is the breathing centre located?

Answers to the Above Questions.

1. In the mouth: The food is crusht, mixt with saliva, and reduced to a pulp; it is rendered slightly alkaline, and a small amount of starch is converted into maltose; the proteids and fats are unaltered. In the stomach, where the contents are rendered acid, conversions of starch into sugar ceases, connectiv tissue of fats is dissolved and fats are set free. Proteids are dissolved and peptones formed. The albuminous foods are dissolved for the most part, and a grumous mixture of peptones, liquid fats, and starches is formed, which is termed chyme, and is gradually passed thru the pylorus into the intestin.

2. In its passage thru the lungs, the blood (1) becomes cooled; (2) becomes a brighter red color; (3) gains oxygen (about 10 or 12 volumes); (4) loses carbon dioxid (about 7 volumes).

Tidal air is the air which is constantly passing in and It out of the lungs during ordinary calm respiration. measures about 30 cubic inches. Residual air is the air which still remains in the lungs after the deepest expira tions. It measures about 100 cubic inches.

3. The salts and also the watery constituent of the urin are both excreted by the glomerulus of the kidney.

Urin is a yellowish liquid, acid in reaction, specific gravity from about 1015 to 1025. About fifty ounces are excreted in twenty-four hours. Its normal constituents are: Water, urea, uric acid, urates, hippuric acid, kreatinin, xanthin, hypoxanthin, sulfates, chlorids, and phosfates of sodium and potassium, phosfates of magnesium and calcium, nitrogen, and carbon dioxid.

4. The solar plexus is formed by the great, small, and least splanchnic nerves of both sides, and by the right pneumogastric nerve; the two semilunar ganglia and other ganglia, also enter into its composition. It supplies all the viscera in the abdominal cavity.

5. The seventh cranial or facial nerve has its superficial origin in the upper end of the medulla oblongata, in the groove between the olivary and restiform bodies. It passes 'forward and outward to enter the internal auditory meatus; it lies upon a groove on the auditory nerve, with portio intermedia of Wrisberg between, and at the bottom of the meatus it enters the aqueductus Fallopii, along which it runs first outward between cochlea and vestibule as far as hiatus Fallopii; then backward in internal wall of tympanum, just above fenestra ovalis, at the turn presenting a swelling, the geniculate ganglion; and finally it passes downward, to emerge from the bone at the stylomastoid foramen; it then passes outward and forward in the parotid, dividing behind the ramus of the jaw into temporofacial and cervicofacial branches, which further subdivide and intercommunicate, forming the pes anserinus."―(Aids to Anatomy.)

Function: The facial nerve is the motor nerve of the muscles of expression, also of the platysma and the buccinator; it also supplies the muscles of the external ear, the stylohyoid, and the posterior belly of the digastric. Thro the chorda tympani it is a nerve of taste and a vasodilator of the vessels of the submaxillary and sublingual glands. 6. The glands connected with the skin are the sweat glands and the sebaceous glands. The sweat glands secrete the sweat or perspiration, whose function is: (1) Excretion of water, carbon dioxid, and urea; (2) to cood the surface of the body, and (3) to regulate the body heat. The sebaceous glands secrete sebrum, whose function is: To lubricate the skin and keep it flexible; to prevent undue absorption, and to keep the skin from getting macerated.

The respiratory centre is in the medulla, at the apex of the calamus scriptorius. (Subsidiary centres are also found in the spinal cord.)-From the Medical Record. (To be continued.)

ROCHESTER, N. Y., January 4, 1910. DEAR DR. TAYLOR:-I take pleasure in inclosing herein a one-dollar bill to cover my subscription for the year 1910. I ask you to let me ride on your band wagon one more year: for I have had much pleasure in seeing and hearing about the good work that is moving my professional brethren year after year, and you as our guide have splendidly arranged each monthly trip so that your passengers have seen and heard the best our country affords.

I may not stay on the entire trip, for the years back of me are far more than those before me; but I cheerfully pay the fare. All you show us is worth all we pay, and more. I have tried to make men better every way for the privileges of this life-so have you. Your teachings are sound, whether pertaining to medical or religious philosophy. That you may long be permitted to give out your messages to the world thru THE WORLD is my fondest wish. Fraternally yours.

H. A. WHITFIELD, M.D.

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