Copyright, 1892, by W. B. Saunders. Reprinted July, 1893. Revised, reprinted, and
recopyrighted September, 1894. Revised, reprinted, and recopyrighted August, 1896.
Reviser reprinted, and recopyrighted October, 1898. Reprinted May, 1899.

Revised, reprinted, and recopyrighted June, 1900. Reprinted May, 1901.

Revised, entirely reset, electrotyped, reprinted, and recopyrighted Au-
gust, 1903. Reprinted April, 1904. Revised, reprinted, and
recopyrighted July, 1905. Reprinted June, 1906. Revised,
reprinted, and recopyrighted September, 1907. Reprinted
October, 1908, and November, 1909. Revised, re-
printed, and recopyrighted April, 1911. Re-
printed August, 1912. Reprinted Septem-

ber, 1914. Revised, entirely reset, re-
printed, and recopyrighted June,

W72 584 1915

PREFACE TO THE TENTH EDITION

IN preparing the present edition of this book the text has been carefully revised. Some of the chapters have been entirely rewritten; a number of new ones have been added; there is scarcely one that has not been enlarged or otherwise changed. The more important modifications will be found in the sections relating to leukemia, chronic nephritis, pyelonephritis, cardiac arhythmia, pulmonary tuberculosis, typhus fever, malaria, pyogenic infections, bacillary dysentery, diabetes mellitus, tetany, locomotor ataxia, heat stroke, and dermatitis exfoliativa. Also articles relating to Vincent's angina, diverticula of the esophagus, acholuric jaundice, embolism and thrombosis of the mesenteric vessels, alkaptonuria, albumosuria, tests of the functional capacity of the kidneys, polycystic disease and malignant disease of the kidney, chronic enlargements of the spleen, hypopituitarism, infantilism, glandular fever, Rocky Mountain spotted fever, Weil's disease, Kala-azar, congenital amyotonia, and myasthenia gravis, have been added. The plan of the book remains unchanged.

June, 1915.

A. A. S.