' AN AMERICAN TEXT-BOOK 



OF 



PHYSIOLOGY 



HENRY P. BOWDITCH, M. D. 

 JOHN G. CURTIS, M. D. 

 HENRY H. DONALDSON, Ph. D. 

 W. H. HOWELL, Ph.D., M.D. 

 FREDERIC S. LEE, Ph.D. 



WARREN P. LOMBARD, M.D. 

 GRAHAM LUSK, Ph.D.,F.R.S. (Edin.j 

 W. T. PORTER, M.D. 

 EDWARD T. REICHERT, M.D. 

 HENRY SEW ALL, Ph.D., M.D. 



ORS. TASKER & TASKER 

 OSTEOPATHIC PHYSICIANS 



526-529 Auditorium Bldg, 

 Le« Angeles, Cal. 



WILLIAM H. HOWELL, Ph.D., M.D. 



Professor of Physiology in the Johns Hopkins University, Baltimore, Md. 



EDITED BY 



SECOND EDITION, REVISED 



Vol. II. 



MUSCLE AND NERVE; CENTRAL NERVOUS SYSTEM; 



THE SPECIAL SENSES; SPECIAL MUSCULAR 



MECHANISMS; REPRODUCTION 



PHILADELPHIA AND LONDON 

 W. B. SAUNDERS & COMPANY 



1901 



