INDEX. 



319 



Encrinitc, fossil, 128. 

 Eolidiceros, 253. 

 Epeira, 221. 

 Ephyra of Aurelia, 68. 

 Pelagia, 75. 

 Epistylis, 161, 237. 

 Euglena, 134, 144, 156. 

 Eye-animalcule, 144. 

 Eye-spot of animalculse, 144. 



false, in Zoospores, 140, 144. 



F. 



Fallopian tube, 234. 

 False circulation in Actinophrys, 47. 

 Family traits, 276. 

 Feathered reptile-like bird, 277. 

 Ferment cells, 20. 

 Firolidae, 253. 



Fissigem mation explained, 81. 

 Flat-worm, 92. 

 Fly, 222. 



Flying lizard, 278. 

 Fowl's egg, structure of, 37. 

 Fredericella, 198, 243, 247. 

 budding, 244. 

 Funnel of Cuttle-fish, 208. 



G. 



Garden spider. 220. 

 Generation, spontaneous, 15, 110. 

 Geology in past times, 104. 

 Germigenous organ, 36. 

 Germinal disc, 305. 



dot, 35. 



layer, 304. 



vesicle, 32, 35. 



character of, 33. 



laver of Articulate embrvo, 



* 299. 



Globe-animalcule, 153. 

 Glosso-pharyngeal nerve, 231. 

 Gonimn, 155. 

 Grand divisions of the animal kingdom, 



160. 



Green Dulse, 143. 



Groups of the animal kingdom, 121, 160. 

 Growth, parallelisms of, 159. 

 Gryphsea, 203. 



H. 



Hartshorn, composition of, 8. 

 Hawk-moth, privet, 223. 

 Head-chest, 219. 

 Helix, 203. 

 Hemicosmites, 128, 253. 



bilaterality in, 128. 

 Hereditary transmission. 279. 



influence, 279. 

 Heteromastix, 134, 146, 156. 

 Heteiomita, 134. 



Holothuria, development of, 291. 



bilaterality of young, 249. 

 Hood of Nautilus, 213* 

 House-flv, 222. 

 Hydra, 55, 84, 89, 177, 237. 



artificial division of, 89. 



budding, 56. 



experiments on, 89. 



fresh-water, 55. 



reproduction of lost parts, 89. 

 Hydro-medusae, 73. 



individuality of, 73. 



I. 



Ideal eggs, 34. 



relations of the five types, 236. 

 transitions, 236. 

 types, 122, 126. 

 Individual, the true, 54. 

 Individuality, 54, 75, 91. 

 Infusoria, ciliated, 148. 



development of, Agassiz on, 



174. 



development of, in boiled solu- 

 tions, 15, 101. 

 resistance to heat, 26. 

 Inorganic affinity, 7. 

 bodies, 8. 



Inosculating groups, 276. 

 Insects, 221. 



formation of eggs in, 35. 

 Intelligence of Infusoria, 170. 

 Interchangeable relations of animals, 268 

 Interlocked groups, 276. 

 Intestinal layer, 308. 



J. 



Janus, 253. 



Jaw-like bodies of Infusoria, 173. 



Jelly-fish, 177. 



Kolpoda, 18, 102. 



K. 



L. 



Lamarck, classification of, 117. 

 Laminaria, 143, 155. 

 Lancelet, 126, 226. 

 Laomedea, egg of, 88. 



euLt-segmentation of, 284. 

 Larva of Caddice-fly, 302. 

 Mvstacides, 302. 

 Laver, 143. * 

 Law of cephalization, 220. 



reproduction by budding, 109. 

 Layer, germinal, 804. 



intestinal, 308. 



subsidiary, 304. 

 Lepidosirci), 263. 

 l.eivboullet on monstrosities, 85, 267. 



