3 



PRINCIPLES 



OF 



GENERAL PHYSIOLOGY 



BY 



WILLIAM MADDOCK BAYLISS 



M.A., D.Sc., F.R.S., Etc. 



PROFESSOR OF GENERAL PHYSIOLOGY IN UNIVERSITY COLLEGE, LONDON 



\\avra 



TO K(t 



-x \ I 



\OV 



WITH 259 ILLUSTRATIONS 



LONGMANS, GREEN, AND 



39 PATERNOSTER ROW, LONDON 



FOURTH AVENUE. & 30TH STREET, NEW YORK 



BOMBAY, CALCUTTA, AND MADRAS 



1915 



[A// Kig/its Reserved] 



