INDEX. 



345 



JEpiblast, formation of nerves 



from, 33, 76, 113, 174. 

 Epidermis, 30. 

 Epithelium, 35-41. 

 Ephemeridss, 203. 

 Errantia, 182. 

 Eustachian tube, 249. 

 Eutheria, 282. 

 Evolution, XV, 53. 

 Eye, 35. 

 Eye, pineal, 79. 

 Exoskeleton, 242. 



Fats, 8. 



Eauna, 92. 



Feather-star, 170. 



Eishes, 239, 247-250. 



Fins, 85. 



Fissirostres, 276. 



Flagellata, 137, 138, 140. 



Flagellum, 137. 



Flea, 204. 



Flounder, change of colour 



in the, 259. 

 Fluke worm, 180. 

 Foramen, ;of skull, 247. 

 Foraminifera,135. 

 Foot, of molluscs, 210, 211. 

 Fore-gut, 36. 

 Formic acid, 208. 

 Fountain-shell, 223. 

 Fowl, 42, 56, 113. 

 Frog, 265, 304. 

 Frugivorous dentition, 288. 

 Functions, animal, 24. 

 Funnel, 226. 



Oall- insect, 207. 

 Gall-mites, 194. 

 •Galls on cattle, 204. 

 Galls on plants, 207. 

 Galvani, 102. 



Gall-wasps, 207. 

 Ganglion, 33. 

 Ganoidei, 256. 

 Ganoid scales, 256, 257. 

 Gaper shell, 216. 

 Gastraea, 143. 

 Gastrula, 71, 72. 

 Gastric juice, 38. 

 Gasteropoda, 210, 219, 225. 

 Gasteropoda, classification of, 



226. 

 Gastro-canals of medtisse, 



160. 

 Genera, 121, 122. 

 Germ- cell, 67. 

 Germinal layers, xv, 30. 

 Geographical distribution of 



animals, 88. 

 Geological record, 94. 

 Gephyrea, 178, 184. 

 Gigantostraca, 196. 

 GiJl-arches, vascular, 249. 

 Gill-clefts, 56, 57. 

 Gill-cover, 249. 

 Gills, 39, 191, 248. 

 Girdle of Venus, 166. 

 Glands, 37. 

 Glomeridse, 198. 

 Glow-worm, 101. 

 Gnat, 39, 204. 

 Gonophore, 159. 

 Gonosome, 158. 

 Grades, 120, 127, 130, 132, 305. 

 Grallatores, 275. 

 Grasshopper, 201. 

 Green gland, -48, 191. 

 Gregarinidse, 138. 

 Gristle, 43. 

 Growth, 61, 65. 

 Gryllidee, 202. 

 Gut, 36. 



Gymnophthaliliata, 162. 

 Gymnosomata, 226, 



