THE PHYSIOLOGY 



OF THE 



DOMESTIC ANIMALS 



A Text-Book, for Veterinary and Medical Students 

 and Practitioners. 



by 



ROBERT MEADE SMITH, A.M., M.D., 



PROFESSOE OF COMPARATIVE PHYSIOLOGY IN THE UNIVERSITY OF PENNSYLVANIA; 



FELLOW OF THE COLLEGE OF PHYSICIANS AND ACADEMY OF THE 



NATURAL SCIENCES, PHILADELPHIA; OF THE AMERICAN 



PHYSIOLOGICAL SOCIETY; OF THE AMERICAN SOCIETY 



OF NATURALISTS ; ASSOCIE ETRANGER DE U 



SOCIETE FRANCAISE D'HYGIENE, ETC. 



WITH OVER 400 ILLUSTRATIONS. 



PHILADELPHIA AND LONDON : 



F. A. DAVIS, PUBLISHER. 



1890. 



