LIST OF WOODCUTS. 



FIGURE PAGE 



163. Moneron (Protamceba) . 46 



164. Bathybins, primitive slime 49 



165. Monerula of Mammal . 51 



166. Cytula of Mammal . . 51 



167. Amoeba . . .53 



168. Amoeboid egg-cell . . 53 



169. Original egg-cleavage . 55 



170. Mulberry-germ (Morula) . 55 



171. Germination of Monoxenia 57 

 172, 173. Magosphaera . . 60 

 174-179. Gastrula of various 



animals ... 65 



180, 181. Haliphysema . . 67 



182, 183. Ascula of a Sponge . 68 

 184, 185. A Gliding-worm 



(Rhabdoccelum) . . 80 



186. Acorn-worm (Balanoglos- 



sus) .... 86 



187. Appendicularia . . 90 



188. Ascidia .... 90 



189. Amphioxns ... 91 



190. Lamprey (Petromyzon) . 103 



191. 192. Shark (Selachii) . 113 



193. Larval Salamander . . 127 



194. Larval Frog (Tadpole) . 127 



FIOURB PAGE 



195, 196. Beaked Animal (Orni- 

 thorhynchus) and its 

 skeleton . . . 148 



197. Pouched Animal (Marsu- 



pial) with young . . 152 



198. Human egg-membranes . 158 



199. Semi-ape (Lori) . .161 



200. Human germ with its 



membranes . . . 166 



201. Human uterus, navel-cord, 



and embryo . . . lf>7 



202. Head of Nose-ape . . 175 



203. Tailed Ape (Sea-cat) . 175 



204. Skeleton of Gibbon . 78 



205. Skeleton of Orang-outang 78 



206. Skeleton of Chimpanzee . 7S 



207. Skeleton of Gorilla . . 78 



208. Skeleton of Man . . 78 



209. Gastrula of Gastrophy- 



sema .... 198 



210. Germ-layers of Earth- 



worms . . . 198 



211. Nerve-system of Gliding. 



worm . . 



212 Human skin-covering 



198 

 200 



