HUMAN PHYSIOLOGY 



,: 



BY 



WILLIAM 1 FURNEAUX 



"i 



SCIENCE INSTRUCTOR, LONDON COUNTY COUNCIL; AUTHOR OF 



"ELEMENTARY CHEMISTRY," "THE SEA SHORE," "LIFE IN PONDS AND STREAMS/ 



''BRITISH BUTTERFLIES AND MOTHS," "THE OUTDOOR WOKLD," ETC. 



WITH 223 ILLUSTRATIONS 



NINETEENTH IMPRESSION 



LONGMANS, GREEN AND CO. 

 39 PATERNOSTER ROW, LONDON 



FOURTH AVENUE & 30 STREET, NEW YORK 



BOMBAY, CALCUTTA, AND MADRAS 



1917 



