420 



INDEX. 



Dead-men's fingers, 349. 

 Diamond-beetle, scales of, 83. 

 Dragon-fly, 71. 

 eye of, 166. 



Dumb-bells of Holothuria, 297. 

 Dyticus, foot of, 117. 



Earthworm, 259. 

 Ecthoraeum, 366. 

 Egger-moth, 163. 

 Euglena, 389. 

 Eunice, 268. 

 Euplotes, 416. 

 Eyes of Crab, 174. 



Dragon-fly, 166. 



Harvestman, 209. 



Infusoria, 389. 



Insects, 166. 



Rotifera, 236, 389, 



Scallop, 50. 



Snail, 54. 



Spider, 207. 



Feathers, structure of, 15. 

 Fission of Infusoria, 394, 405. 

 Flea, mouth of, 146. 

 Fly, antenna of, 166. 



flight of, 70. 



foot of, 115. 



spiracle of, 98. 



tongue of, 151. 



wing of, 72. 

 Foot of Actinurus, 249. 



Bee, 119. 



Beetle, 117. 



Brachion, 227. 



Dinocharis, 241. 



Fly, 109. 



Silkworm, 123. 



Spider, 217. 



Whiptail, 239. 

 Foraminifera, 383. 

 Frog, blood of, 31. 

 Froghopper, ovipositor of, 135. 



G-alathea, 186. 



Gall-fly, egg-tube of, 128. 



Gnat, antennae of, 166. 



grub of, 103. 



mouth of, 149. 



wing of, 74. 

 Grantia, 386, 388. 

 Grasshopper, sounds of, 86. 



Hair of Bat, 12. 

 Bee, 14. 

 Beetle, 14. 



Hair of Cat, 8. 



Hog, 5. 



Horse, 7. 



Man, 2. 



Mole, 9 



Moth, 14. 



Mouse, 11. 



Sable, 9. 



Sheep, 7. 



Halichondria, 386. 

 Harvestman, 209. 

 Heart-urchin, 292. 

 Horse-fly, mouth of, 145. 

 House-fly, 70. 

 Humble bee, 71. 

 Hydractinia, 334. 



Infusoria, 389. 

 Insects, 70. 



air-tubes of, 93. 



antennae of, 158. 



eyes of, 166. 



feet of, 109. 



mouths of, 138. 



sounds of, 84. 



stings, &c., of, 125. 



Jelly-fish, 307. 

 Katedid, 86. 



Laomedea, 326. 



meduso'ids of, 331 . 

 Lares, 345. 



Larva of Urchin, 301. 

 Leech, 269. 

 Limpet, tongue of, 46. 

 Locomotion, variety in, 258. 

 Lombrinereis, 268. 

 Luminosity of Medusa, 319. 

 Lynceus, 177. 



Madrepore, weapons of, 364. 

 Mastax, 233. 

 Medusae, 307. 



transformations of, 333. 

 Meduso'ids, of Laomedea, 331. 



Stauridia, 343. 



Mite, cheese, 220. 



water, 222. 

 Mollusca, ears of, 55. 



eyes of, 51. 



shells of, 39. 



tentacles of, 50. 



tongues of, 46. 

 Moths, antennae of, 163. 



