THE PHYSIOLOGY^*- 



OF THE 



DOMESTIC ANIMALS 



A TEXT-BOOK FOR VETERINARY AND MEDICAL STUDENTS 

 AND PRACTITIONERS. 



BY 



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



PROFESSOR 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 LA 



SOCIETE FRANCAISE D' HYGIENE, ETC. 



WITH OVER 400 ILLUSTRATIONS. 



PHILADELPHIA AND LONDON : 



F. A. DAVIS, PUBLISHER 



1890. 



