TEXT-BOOK P. 



7^ . 



OF 



EMBRYOLOGY 



VOL. I 



INVERTEBRATA 



BY 



E. w. MACBRIDE, M.A., D.SC., LL.D., F.E.S. 



PROFESSOR OF ZOOLOGY AT THE IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY 

 SOUTH KENSINGTON 



EDITED BY 



WALTER HEAPE, M.A., F.R.S. 



MACMILLAN AND CO., LIMITED 

 ST. MARTIN'S STREET, LONDON, 



1914 



