INDEX. 



Acanthocephala, 60, 61. 

 Acarus foUiculorum, 252. 

 Acephalocyst, 44, 46. 

 Acephalous Mollusca, 268. 

 Acetabula of Cephalopods, 345. 

 Acrita, 15. 

 Actinia, 87. 



Actheres, 151, 152, 154. 

 Actinocyclus, 18. 

 Alcyonium, 88. 

 Alimentary Canal of 



Anellata, 133, 135. 



Arachnida, 257. 



Berije, 106. 



Brachiopoda, 278. 



Bryozoa, 98. 



Cephalopoda, 323. 



Cirripedia, 158. 



Crustacea, 177. 



Diplostomum, 59. 



Distoma, 56, 58. 



Echinoderma, 121, 125. 



Epizoa, 152. 



Gastropoda, 299. 



Insecta, 216. 



Lamellibranchiata, 282. 



Pteropoda, 292. 



Tunicata, 271. 

 Ammonites, 331. 

 Anaima, 11. 

 Androgynous organs of 



Anellata, 144. 



Bothriocephalus, 52. 



Cirripedia, 158. 



Distoma, 57. 



Gasteropoda, 307. 



Pteropoda, 293. 



Tsen'iae, 49. 

 Anellata, 129. Orders of, 132. 

 Anellides, 11, 14. 

 Animals, classes of, 15. 

 Animal Kingdom, tabular view of, 16. 

 Animal matter preserved from loss by 



Polygastria, 28. 

 Anodon, marsupial gills of, 288. Ova 



of, 289. 

 Antennas of 



Anellides, 131. 



Crustacea, 166. 



Insects, 194. 



c c 



Anthozoa, 89. 



Aphides, larval generation of, 233. As- 

 tonishing fecundity of virgin females, 

 235. Ordinary generation of, 235. 



Aphrodita, 130, 135. 



Aplysia, 299, 300, 305, 311, 312. 



Arachnida, 250. Comparison with in- 

 sects, 250. 



Arenicola, 139. 



Argonauta, 107, 344, 348. 



Arms of Cephalopods, 344. 



Articulata, 13. 



Ascaris lumbricoides, 66. 

 vermicularis, 67. 



Ascidians, 13, 270. Compound, 272. 



Astacus fluviatilis, 169, 187, 188. 

 marinus, 170, 179. 



Asterias, 14, 113. 



Atoll, 89. 



Avicula margaritifera, 287. 



Baculite, 331. 



Balanoids, 155. 



Barnacle, 157. 



Barrier reef, 89. 



Barry, Dr. Martin, 24. 78. 



Bee, development of, 240. 



Belemnite, 333. Its mantle, 337. Fins, 



338. Arms, 338. Ink-bag, 335. 

 Belcher, Capt. Sir E., R.N., 324. 

 Bergmehl, 40. 



Blood, 130. Corpuscules, 78. 

 Bonnet, 143. 268. 

 Bothriocephalus latus, 50. 52. Punc- 



tatus, 53, 54. Development of, 53. 

 Brachiopoda, 277. 

 Branchiopods, 181. 

 Broderip, W. J. Esq., 171. 

 Buckland, Dr., 175. 329. 

 Buffon, 28. 



Bulla, its gastric shells, 300. 

 Burmeister, Prof, 248. 

 Bryozoa, 93. 



Carinaria, 293. 



Carpenter, Dr., 286. 



Cell, organic, 25. Nucleated, 24, 25. 



Centipede, 192. 201. 216. 225. 



Cephalopoda, 13. 302. 



Cestoidea, 48, 54. 



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