INDEX, 



Aasfliege. 57(5. 



Aaskafer, 59n. 



Abdoruiualia, 44(5. 



Abiogeiiesis, 96. 



Abraxas, 5*3. 



Abyla, 250. 



Acalepha, 250. 



Acalyptera. 576. 



Acanthia, 572. 



Acanthobothrium, 327. 



Acanthocephala,359,343. 



Acanthometra, 191. 



Acarina, 489. 



Acephalocysts, 336. 



Achseta, 392. 



Acherontia, 5X4. 



Achtheres, 430. 



Acidalia, 583. 



Acineta, 205. 



Acmostomum, 312. 



Accela, 313. 



Acraspeda, 233. 



Acridium, 527, 55*. 



Acrocladia, 295, 296. 



Acronycta, 583. 



Acrophalli, 347. 



Actiuaria, 232. 



Actinia. 23<>, 232. 



Actinometra, 286, 289. 



Actinophrys. iss. 



Actinosphserium, 188. 



Actinotrocha, 389. 



Actinozoa, 223. 



Aculeata, 595. 



Aculeus, 592. 



Adambulacral plates, 

 291. 



Adapis. 173. 



Adaptation, 145. 



Adaptions of embryos 

 and larvae, 157. 



Adelo-codonic gono- 

 phore, 236. 



Adenoid connective tis- 

 sue, 38. 



Admiral, 585. 



222, 460. 

 ta, 242. 



jEginopsis, 230. 



^Equorea, 238, 242. 



^Eschna, 562. 



-<Eschna rectal. Respira- 

 tion of, 72. 



Agalmidze, 249. 



Agalmopsis, 247, 248,249. 



Agassiz, L, 139. 



Ageleua, 504. 



Aglia, 584. 



Agrilus, 5S9. 



Agrion, 562. 



Agriotes, 589. 



Agrotis, 583. 



Alary muscles. 533. 



Alaurina composita, 313. 



Albertus Magnus, 133. 



Albunea, 478. 



Alcinoe, 206. 



Alciopa, 380. 



Alciopea, 379. 



Alcippe, 446. 



Alcyonaria, 228. 231. 



Alcyonium, 231. 



Aldrovandus, 133. 



Alima, 472. 



Alpheidse, 470. 



Alternation of genera- 

 tions, 123. 



Alucita, 582. 



Alula, 572. 



Alydus, 572. 



Auibuliicral brains, 277. 



Ambulacra! branchia?, 

 277. 



Ambulacral feet, 273. 



Ambulacral Gills. 275. 



Ambulacral groove, 291. 



Ambulacral ossicles, 271, 

 290. 



Ambulacral plates, 271. 



Ambulacral surface, 209. 



Ambulacral vascular 

 system, 272. 



Ametabola, 547. 



Ammophila, 590. 



Ammothea, 490. 



Amoeba, isi;. 



Amcebidium, 2<>9. 



Ampharcte. 382. 



Amphibia. Vascular sys- 

 tem of, 65. 



Amphibioticn, 501. 



Arnphidiscs, 218. 



Amphihelia, 232. 



Amphileptus, 195, 204. 



Ampbinomid.se, 374. 



Amphioxus, Vascular 

 system of, 63. 



Amphipeltis, 451. 



Amphipoda, 451. 



Amphipods. Parasites of, 

 302. 



Amphiporus, 342, 340. 



Amphistomum, 317. 



Aniphitrocha. 378. 



Amphiura, 27S, 279, 

 2S5, 294. 



Anal, vesicles of Chteti- 

 fera, 3S>. 



Analogy, 52. 



Aiiapera, 575. 



Auatifa, 445. 



Anceus. 459. 



Anchitherium, 172. 



Auchorella, 436. 



Aucylostomum, 352. 



Andoctonus, 510. 



Andrena, 597. 



Anelasma, 445. 



Auguilla, 351. 



Auguillula, 357. 



Anilocra, 4(io. 



Animals and plants, 15. 



Anisopoda, 459. 



Annelida. 362. 



Auobium, 589. 



Anochanus, 279. 



Anopla, 342. 339, 341. 



Anoplotermes, 50n. 



