HUMAN 



PHYSIOLOGT 



7 



1 



V. 



BY 



PROFESSOR LUIGI LUCIANI 



DIRECTOR OF THE PHYSIOLOGICAL INSTITUTE OF THE ROYAL UNIVERSITY OF ROME 



TRANSLATED BY 



FRANCES A. WELBY 



EDITED BY 



DR. M. CAMIS 



INSTITUTE OF PHYSIOLOGY, UNIVERSITY OF PISA 



WITH A PREFACE BY 



J. N. LANGLEY, F.R.S. 



PROFESSOR OF PHYSIOLOGY IN THE UNIVERSITY OP CAMBRIDGE 



IN FOUR VOLUMES 

 VOL. I. CIRCULATION AND RESPIRATION 



MACMILLAN AND CO., LIMITED 

 ST. MARTIN'S STREET, LONDON 



1911 



