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Twentieth Century Practice, an international encyclopedia of modern medical science by leading authorities of Europe and America.

JAMA. 1896;XXVII(26):1359. doi:10.1001/jama.1896.02431040041014.
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The contributors to this volume are: Chas. W. Allen, M.D., New York; Jules Comby, M.D., Paris; C. G. Cumston, M.D., Boston; E. W. Cushing, M.D., Boston; James M. French, M. D., Cincinnati; E. Fletcher Ingals, M.D., Chicago; E. Main, M.D., Paris; Franz Riegel, M.D., Giessen; Alfred Stengel, M.D., Philadelphia; Herbert B. Whitney, M.D., Denver.

The topics include, 1, diseases of the pleura; 2, asthma; 3, hay fever; 4, diseases of the mediastinum; 5, diseases of the diaphragm; 6, diseases of the blood; 7, rachitis; 8, disorders of menstruation; 9, functional disorders of the male sexual organs; 10, chemic and microscopic examination of the urine.

The chapter on diseases of the diaphragm is by Dr. Main, and the difficulties under which the author labors in meeting the task assigned him, are about as great as if he had been assigned to write upon the diseases and injuries of the deltoid or


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