A TEXT-BOOK OF 



HUMAN PHYSIOLOGY 



BY 



DR. ROBERT TIGERSTEDT 



n 



PROFESSOR OF PHYSIOLOGY IN THE UNIVERSITY OF HELSINGFORS, 

 FINLAND 



TRANSLATED FROM THE THIRD GERMAN EDITION 

 AND EDITED BY 



JOHN R. MURLIN, A.M., PH.D. 



ASSISTANT PROFESSOR OF PHYSIOLOGY IN THE UNIVERSITY AND 

 BELLEVUE HOSPITAL MEDICAL COLLEGE, NEW YORK CITY 



WITH AN INTRODUCTION TO THE ENGLISH EDITION 



BY 



PROFESSOR GRAHAM LUSK, PH.D., F.R.S. (EDINB.) 



NEW YORK AND LONDON 



D. APPLE TON AND COMPANY 



1906 



