An Enumeration of the Medullated Nerve Fibers in the Ventral Roots of

the Spinal Nerves of Man. By CHARLES E. INGBERT. From the
Neurological Laboratory of the University of Chicago. With 38 fig-

ures in the text.
Editorial.
Color Vision. By C. L. HERRICK.
Literary Notices.

209 271 274 281

Number 4, July, 1904.
The Associative Processes of the Guinea Pig. A Study of the Psychical

Development of an Animal with a Nervous System Well Medul-
lated at Birth. By JESSIE ALLEN. With Plates V and VI and 12

figures. Editorial. Literary Notices.

293 360 364

381

Number 5, September, 1904.
Retrograde Degeneration in the Corpus Callosum of the White Rat. By

S. WALTER RANSON. (From the Neurological Laboratory of the
University of Chicago and the Anatomical Laboratory of St. Louis

University. With Plate VII.
The Early History of the Olfactory Nerve in Swine. By EDGAR A. BED-
FORD, S. M.

With 14 figures.
The Relation of the Chorda Tympani to the Visceral Arches in Microtus.

By Victor E. EMMEL. (From the Biological Laboratory of Pacific

University.)
Editorial.
Recent Contributions to the Body-Mind Controversy. By C. L. HERRICK.
Literary Notices.

390

411

418

SUBJECT AND AUTHOR ÎNDEX.

VOLUME XIV.

Author's names are in small caps. References to subjects and authors of original articles are marked with an asterisk.

A BELSDORFF, G. and Nagel, W. A. Circulation of blood in the retina

and phenomena of vision, 375.
*Action, as a scientific category, 272.
*Action-system, 441.
ADAMS, C. S. Migration route of warbler, 379.
AGABOW, A. Nerves of the sclera, 371.
ALLEN, J. The associative processes of the guinea pig, 293.
ALLIS, E. P. Nerves of Scomber scomber, 83.
Amblyopsis, eyes of, 283.
Amia calva, the natural history of, 282.
Ammocetes, innervation of epidermis of, 208.
Amphibia, sense organs of lateral line of, 433.
Anastomosis, of nerves. 81.
Anatomy, of nervous system, 364.
Animal education, 70.
Annelids, natural history of tube-forming, 285.
Anniversary volume, to EDWARD LAURENS MARK, 281.
Ant, crustacean-eating, 379.
Ascaris, ganglion cells of, 368.
Association, in hermit crabs, 49.

in guinea pig, 293. Asymmetry, in lower organisms, 287. ARDEEN, C. R. Histogenesis of cerebro-spinal nerves of mammals, 369.

Obituary of C. L. HERRICK, 515. * BEDFORD, E. A. The early history of the olfactory nerve in swine, 390. Behavior, of Amia calva, 282.

Butterfly, phototropism of, 291.
Carlson, A. J.
ARLSON, A. J. Physiology of the nervous system of the snake, 205.

- The rate of the nervous impulse in the hagfish, 204

See JENKINS and CARLSON, 85. *Carnegie institution, station of experimental biology, Cold Spring Harbor, 272. Cerebral commissures, morphology of in vertebrates, 81.

--cortex, of man, 434. Cerebro-spinal nerves, of mammals, 369. Cerebrum, fissures of, 370. Cervical sympathetic, effect of joining with chorda tympani, 203. *Chorda tympani, in Microtus, 411. Ciliary movement, in relation to ions, 207. CLAPARÈDE, E. The consciousness of animals, 74. Coggi, A. Development of the lateral line organs in torpedo, 368. *Coghill, G. E. Recent studies on the finer structure of the nerve cell, 171. Cockroach, nervous cytology, 287. Color physiology, of higher crustacea, 435. Color vision, in frog, 372. *Color vision, theories of, 274. *Comparative method, in neurology and psychology, 271. *Comparative psychology, unemphasized aspects of, 360. Comparative psychology, metaphysics in, 72. *Conducting substance, fluidity of in the slug, 85. Conductivity, of the nervous system, 206. Consciousness, of animals, 74. *Corpus callosum, degeneration of in the rat, 381. Cortical areas, in man and mammals, 369. *Crabs, association in hermit, 49. CRAMER, W. Protagon, cholin, and neurin, 378. Cranial nerve, of selachians, 281. CUSHING, H. Treatment of facial paralysis by nerve anastomosis, 81. Daphnia pulex, reations to light and heat, 289.

DAVENPORT, C. B. Director of station of experimental biology, 273. Degeneration, in brain of tortoise, 203.

of corpus callosum in rat, 381.

Wallerian, 203. DÉLAGE, Y. Movements of the eye, 378. *Development of medullation, in guinea pig, 293.

of mind in the guinea pig, 293.

of the paraphysis in fowl, 369.
Dexter, F. Development of the paraphysis in the common fowl, 369.
Diopatra, natural history of, 285.
DOGIEL, A. S. Neural structures in the human skin, 208.
DUCCESCHI, V. Audition in aquatic animals, 80.
EPING

DINGER and WALLENBERG, Bericht, 81.

EIGENMANN, C. H. The eyes of the blind vertebrates, 283. Elephant, neuroglia of spinal cord of, 369. *EMMEL, V. E. Relation of chorda tympani to visceral arches in Microtus, 411. Encephalon, anatomy of in races, 369. Eyes, of blind vertebrates, 283. Eye, of pecten, 292. Fish, brain of, 289

Floyd, R. Nervous cytology of Periplaneta orientalis, 287,
Fowl, development of paraphysis in, 369.
*Frog, inhibition and reinforcement of reaction in, :24.

motor endings on muscle of, 1.

nervous structures in palate of, 93. *Function, relation of concept of to that of structure, 63.

alvanotropism, of Paramecium, 484.

Ganglion cells, of Ascaris, 368. GEHUCHTEN, A. VAN. Degeneration in nerve, 203. *Geotropism, of Paramecium, 473. GOLDSCHMIDT, R. Ganglion cells of Ascaris, 368. Gotch, F. Photo-electric changes in the eyeball of the frog, 372. Gowers, W. R. Subjective sensations of sight and sound, 207. *Guinea pig, psychic development of, 293.

$

Ga

Habits

, of albatross, 380.

of Amia calva, 282.
of Amphitrite, 285.
of beach flea, 378.
of guinea pig, 293.
of salamander, 380.

of obera, 380. Hagfish, rate of nerve impulse in, 204. HALL, G. S. and SMITH, T. L. Reactions to light and darkness, 376. HARDESTY, I. Neuroglia of the spinal cord of the elephant, 369. HARRISON, R. G. Development of lateral line sense organs of Amphibia, 433. HAERTL, J. The influence of water and salts on muscle and nerve, 372. *HATAI, S. Nucleus of spinal ganglion cells of the foetal rat, 27. Hearing, of water animals, 80. *Hermit crabs, association in, 49. HERRICK, C. L. Bibliography of, 529.

Editoral (L'envoi), 62.
obituary and biography of, 515.
Recent contributions to the body-mind controversy, 421.
Social reactions in man and lower animals, 118.

Theories of color vison, 274.
His, W. Development of the human brain, 432.
HOLMGREN, E. Nerve cells of Lophius, 370.

Spinal ganglion cells, 370.
HUBSCHMANN, P. The medulla oblongata of Dasypus villosus, 208.
HYDE, I. H. The nerve distribution in the eye of Pecten irradians, 292.

JAJENKINS, S. ep. Rana CARLSON, ANTI, Physiological evidence of the fluidity,

mitation in animals, 360.

* INGBERT, C. E. Enumeration of medullated fibers, 209. *Inhibition, in the frog, 124. Ions, relation of to ciliary movement, 207. ANET, P. See RAYMOND and JANET, 208.

of the conducting substance in the pedal nerves of the slug, 85. JENNINGS, H. S. Asymmetry in certain lower organisms, 287.

Behavior of Paramecium, 441.

KA

ALLIUS, E.

Visual organs, 371.
KEEBLE, F. and GAMBLE, F. W. Color-physiology of crustacea, 435.
Kiesow, F. Rate of nerve impulse in sensory nerves of man, 206.
Kinematograph, use of in study of animal reactions, 439.
*King crab, behavior and reactions of, 138.

KÖLLIKER, A. Development and significance of the vitreous humor, 371.
KOLMER, W. Vital staining in Corethra, 368.
KRONTHAL, P. Leukocytes and nerve cells, 371.

LAN

ANGLEY, J. N. Anastomosis of sympathetic with chorda lympani, 203.
-Lateral line, organs of in torpedo, 368.

organs of in amphibia, 433.
Life History,'of Obera, 380:
LILLIE, R. S. Relation of ions to ciliary movement, 207.
*Limulus, behavior and reactions of, 138.
LINVILLE, H. R. The natural history of some tube-forming annelids, 285.
Locy, W. A. A new cranial nerve in selachians, 281.

M:

ackerel, cranial anatomy of, 83.

Mall, F. P. Transitory or artificial fissures in the human cerebrum, 370. Mammals, histogenesis of cerebro-spinal nerves in, 369. MARENGHI, G. Neural structures in the epidermis of Ammocetes, 208. MARK, E. L. Anniversary volume in honor of, 281. MARSHALL, W. S. Marching of the larva of the maia moth, 379. MCCARTHY, 1). J. Formation of bone tissue within the brain substance, 434. Medulla oblongata, of Dasypus, 208. Meetings, of zoölogists and physiologists, 65. MEIGS, E. B. Mechanism of voluntary muscular contraction, 371. MELLUS, E. L. Undescribed nucleus lateral to fasicularis solitarius, 370. MENDEL and JACOBSON, Jahresbericht, 83. Mills, C. K. Physiological areas and centers of the cerebral cortex in man, 434.

W. Neurones and the neurone concept, .08. *Motor endings, relation of to neighboring structures on muscle of frog, 1. MOTORA, Y. Conductivity of the nervous system, 206. * Muscle, motor endings on, I. MU'SKENS, L. J. J. Compensatory eye movements in Octopus, 378.

N AGEL, W. A. Influence of pressure and electric current upon dark adapted

eye, 374. and SCHAFER, K. L. Changes in the retina during adaptation to

darkness, 372. Natural history of Amphitrite, 285.

of Amia calva, 282. *Nature-study, 418. NEAL, H. V. The development of the ventral nerves in selachians, 285. Nerve cell, finer structure of, 171. *Nerve components, doctrine of, 168. *Nerve fibers, medullated in ventral roots of spinal nerves of man, 209. Nerve impulse, conduction of in slug, 85.

nature of, 206.

rate of, in sensory nerves, 206. *Nerve, olfactory, in swine, 390. *Nerves, in slug, 85.

ventral of selachians, 285. Nervous system, anatomy and physiology of, 364.

of guinea pig, 293.

of snake, 205. *Nerve network, in palate of frog, 93. Neurone, concept of, 208. * Neurology, comparative method in, 271. *Nucleus, of spinal ganglion cells of foetal rat, 27.

OLD

LDYS, H. Rhythmical song of the wood pewee, 380. *Olfactory nerve, of swine, 390.