INTERNATIONAL CONGRESS 



OF 



ARTS AND SCIENCE 



EDITED BY 



HOWARD J. ROGERS, A.M., LL.D. 



DIRECTOR OF CONGRESSES 



VOLUME IX 



BIOLOGY 



COMPRISING 



Lectures on Bacteriology, Embryology, Plant Morphology, 



Animal Morphology, Ecology, Plant Physiology, 



Plant Pathology, Human Anatomy, 



Comparative Anatomy, and 



General Biology 



UNIVERSITY ALLIANCE 



LONDON 



NEW YORK 



