PRINCIPLES 



OF 



HUMAN PHYSIOLOGY, 



BY 



WILLIAM B. CARPENTER, M.D., F.R.S., F.G.S., F.L.S., 



REGISTRAR TO THE UNIVERSITY OF LONDON, ETC., ETC. 



EDITED BY 



HEKEY POWEB, M.B. LOKD., F.E.C.S., 



EXAMINER IN NATURAL SCIENCES, UNIVERSITY OF OXFORD, AND IN NATURAL SCIENCES AND IN MEDICINE, 



UNIVERSITY OF CAMBRIDGE ; LATE LECTURER ON PHYSIOLOGY AT THE WESTMINSTER 



HOSPITAL ; OPHTHALMIC SURGEON TO ST. BARTHOLOMEW'S HOSPITAL ; 



SURGEON TO THE ROYAL WESTMINSTER 



OPHTHALMIC HOSPITAL. 



A NEW AMERICAN, 







FROM 



THE EIGHTH REVISED AND ENLARGED ENGLISH EDITION, 

 WITH NOTES AND ADDITIONS, 



BY 



FKANCIS G. SMITH, M.D., 



PROFESSOR OF INSTITUTES OF MEDICINE IN THE UNIVERSITY OF PENNSYLVANIA. 

 FELLOW OF THE COLLEGE OF PHYSICIANS, PHILADELPHIA. 





PHILADELPHIA: 



HENRY C. LEA. 



1876. 



