LIST OF WOODCUTS. 



FIQTTRE 



163. Moneron (Prof anuBba) 

 164(. Bathybius, primitive slime 



165. Monemla of Mammal 



166. Cytula of Mammal . 



167. Amoeba .... 



168. Amoeboid egg-cell . • 



169. Original egg-cleavage 



170. Mulberry-germ (Morula) . 



171. Germination of Monoxenia 

 172, 173. Magospbaera . 

 174-179. Gastrula of various 



animals . . 



180, 181. Haliphysema . 

 182, 183. Ascula of a Sponge . 

 184, 185. A Gliding-worm 



(Rhabdocoelum) 



186. Acorn- worm {Balanoglos' 



8USj > a • • 



187. Appendicularia • • 



188. Asoidia . . • • 



189. AmphiozuB • . • 



190. Lamprey {Petromyxon) . 

 191,192. Shark (Selachii) . 



193. Larval Salamander . 



194. Lanral Frog (Tadpole) . 



