AN AMERICAN TEXT-BOOK 



OF 



PHYSIOLOGY 



BY 



* HENRY P. BOWDLTCH, 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., W. T. PORTER, M.D., EDWARD T. REICHERT, M.D, 



AND HENRY SEWALL, PH.D., M.D. 



EDITED BY 



WILLIAM H^lJlOWELL, PH.D., M.D. 



PROFESSOR OP PHYSIOLOGY IN THE JOHNS HOPKINS UNIVERSITY, BALTIMORE, Mix 



FULLY ILLUSTRATED 



\ 



PHILADELPHIA . 

 W. B. SAUNDERS 



925 WALNUT STREET 

 1896 



