LIST OF WOODCUTS. 



-•o«- 



FIGURK 



FAOE 



163. Honeron (Protamxha) . 46 



16i. Bathybias, primitive slime 49 



165. Monerula of Mammal . 51 



166. Cytula of Mammal . . 51 



167. AmcBba .... 53 



168. Amoeboid egg-cell . . 53 



169. Original egg-cleavage . 55 



170. Mulberry.germ (Morula) . 55 



171. Germination of Monoxenia 57 



172. 173. Magospbaera . . 60 

 174-179. Gastrula of various 



animals ' . . .65 



180, 181. Haliphysema . . 67 



182, 183. Ascula of a Sponge . 68 

 184, 185. A Gliding-worm 



(Rhahdocoslum) . . 80 



186. Acorn-worm {BaJanogloa- 



sus) . . • • 86 



187. Appendicularia • .90 



188. Ascidia .... 90 



189. Ampbioxus ... 91 



190. Lamprey {Petroyayzon) . 103 

 191,192. Sbark (Selachii) . 113 



193. Larval Salamander . . 127 



194. Larva'i Frog (Tadpole) . 127 



