i r v 



P 



OF 



GENERAL PHYSIOLOGY 



FOR MEDICAL STUDENTS 



BY 



D. NOEL PATON, M.D., B.Sc., F.R.S. 



PROFESSOR OF PHYSIOLOGY, UNIVERSITY OF GLASGOW 



AND 



G. HERBERT CLARK, M.D., D.P.H. 



LATE LECTURER ON PHYSIOLOGY, UNIVERSITY OF GLASGOW 



FOURTH EDITION 



