LIST OF WOODCUTS. 



FIGHSB 



163. Moneron {Protamosha) 



164. Bathybius, primitive slime 



165. Monerula of Mammal 



166. Cytula of Mammal . . . 



167. Amoeba .... 



168. Amoeboid egg-cell . 



169. Original egg-cleavage 



170. Mulberry-germ (Morula) . 

 IVl. Germination of Monoxenia 

 172, 173. Magosphsera . 

 174-179. Gastrula of rarious 



animals 

 180, 181. Haliphysema . 

 182, 183. Ascula of a Sponge . 

 184, 185. A Gliding-worm 



{Bhabdoc(zlum) 



186. Acorn-worm (Balanoglos- 



sus) .... 



187. Appendioularia . . 



188. Asoidia .... 



189. Amphioxus . 



190. Lamprey (Petromyzon) 



191. 192. Shark (SelacUi) . 



193. Larval Salamander . 



194. Larval Frog (Tadpole) . 



