INDEX. 



Acineta. 407. 



Acontia, 356. 



Air-tubes of Fly, 95. 



Alcyoninm, 349. 



Alternation of Generations, 324 



333. 

 Amoeba, 378. 

 Anchors of Synapta, 299. 

 Animalcules, 389. 

 Antenna? of Chafer, 162. 



Crab, 171. 



Fly, 166. 



Gnat, 166. 



Insects, 158. 



Moths, 163. 



Skipjack, 163. 



Weevil, 160. 

 Aphrodite, 263. 

 Arcella,383. 



Barnacles, 192. 



hand of, 192. 



Transformations of, 195. 

 Bee, eyes of, 170. 



foot of, 119. 



mouth of, 142. 



sting of, 125. 



wing of, 73. 

 Beetle, mouth of, 138. 

 "Bird's-head,"64. 



use of, 68. 

 Blood of Beasts, 27. 



Birds, 28. 



Fishes, 28. 



Frog, 29. 



Man, 27. 



Beptiles,28. 



Tunicate, 33. 

 Brachionus, 225. 

 Bristle-tail, scales of, 77. 



Bug, mouth of, 143. 

 Bugula, 64. 



Butterfly, scales of, 79, 80. 

 sucker of, 153. 



Caryophyllia, weapons of, 364. 

 Chameleon-fly, 101. 

 Cheese-mite, 220. 

 Chilomonas, 401. 

 Chirodota, 298. 

 Cicada, drum of, 89. 



ovipositor of, 136. 

 Cilia of Cydippe, 310. 



Infusoria, 397, 403, 409. 



Botifera, 223, 252. 

 Cinclides, 358. 

 Cnidae, 342, 356. 

 Cockchafer, antennae of, 162. 



spiracle of, 100. 

 Coleps, 399. 

 Contractile Bladder, 250, 380, 



397. 

 Corkscrew Coralline, 63. 

 Corynactis, weapons of, 369. 

 Cothurnia, 409. 

 Cows' paps, 349. 

 Crabs, 171. 



ears of, 172. 



eyes of, 174. 



stages of, 182. 

 Crane-fly, spiracle of, 99. 

 Craspeda, 364. 

 Cricket, drum of, 85. 

 Cuckoo-fly, ovipositor of, 128. 

 Cattle-shell, 39. 

 Cyclops, 175. 

 Cydippe, 308. 

 Cypris, 180. 



Daphnia, 178. 



