T-oo\ 



K TKXT-HOOK 



OF 



EMBRYOLOGY 



VOL. II 



VERTEBRATA 



WITH THE EXCEPTION OF MAMMALIA 



BY 



.1. (Jit A HAM KEEK 



EtEOIUS PROFESSOR <>K 7.011 i.oov IN TDK, UNMVEHSITV UK i;i,. \si.ow 



MACMILLAN AND CO, LIMITED 



ST. MARTIN'S ST1IKKT, LONDON 



1919 



