NDEX. 



VOL. VI. 



Abraxas, 116. 

 Acanthechinus, 277. 

 Acanthiidte, 190. 

 Acanthoccpliali, 448. 

 Acanthocercus, 284. 

 Acanthociiius, 154. 

 Acanthocystis, 560. 

 Acanthodoris, 354, 355. 

 Acanthosoma, 188. 

 Acari, 241. 

 A carina, 242. 

 ^cera, 362. 

 Achseta, 444. 

 Achatina, 348. 

 Achatinellidae, 348. 

 Acherontia, 96. 

 Acineta, 568. 

 Acm&a, 397. 

 Acmaeidse, 397. 

 Acridiida, 179. 

 Acrocinus, 154. 

 Aetata, 256. 

 Actaon, 361. 

 Actinia, 500, 501. 

 Actinocrinus, 301. 

 Actinometra, 300. 

 Actinomma, 562. 

 Actinophrys, 560. 

 Admcte, 372. 

 jEgirus, 355. 

 yEolidia, 356, 358. 

 . Eolidiidee, 358. 

 uEpitasia, 500. 

 .Equipnlpu, 162. 

 JEschnidaz, 168. 

 JEtheria, 410. 

 sEthcriida; 410. 

 . Igalena, 229. 

 Agalenidse, 229. 

 Agaristidss, 111. 

 Agate-Snail, 348. 

 Agassizocrinus, 299. 

 Agclecrinus, 295. 

 AgrionidaB, 169. 

 Agriotes, 144. 

 Albertia, 446. 

 Alcyonium, 512. 

 Alder-Flies, 163. 

 ^Zipes, 207. 

 Allurus, 439. 

 Alloldbophora, 439. 

 Alpheidm, 270. 

 Amalthca, 390. 

 Amaurobiidse, 230. 

 . / maurobitis, 230. 



Amber-Snails, 348. 

 Amblypygi, 219. 

 Amoeba, 552. 

 Ammonites, 340. 

 Ammonoidea, 340. 

 Amphiora, 308. 

 Amphibola, 352. 

 Amphibolida, 364. 

 Amphicora, 438. 

 Amphineura, 398. 

 Amphipoda, 277. 

 Amphithoe, 278. 

 Amphitretus, 331. 

 Ampullaria. 389. 

 Ampullar iidaz, 389. 

 Anatina, 418. 

 Anartiostigma, 205. 

 Anatinacea, 417. 

 Ancilla, 373. 

 Ancistrotcutlds, 337. 

 Ancula, 355. 

 Ancylus, 350. 

 Andania, 277. 

 Andrena, 42. 

 Andrenidaz, 42. 

 Anemonia, 500. 

 Anguillula, 449. 

 Animalcules, 553. 

 Annelida, 432. 

 Anobium, 146. 

 Anodonta, 411. 

 Anomia, 404. 

 Anomiidse, 404. 

 Anomura, 261. 

 Anoplodium, 470. 

 Anledon, 299, 301. 

 Anthersea, 93. 

 . Inthobranchiata, 354. 

 Anthocotyle, 466. 

 Anthomyinee, 71. 

 Anthonomus, 150. 

 Anthophora, 44. 

 Anlhozoa, 495. 

 Anthrax, 60. 

 Anthrenus, 1 10. 

 AnthribidiB, 152. 

 Antipatharia, 510. 

 Antipathes, 510. 

 Ant- Lions, 165. 

 Ants, 27. 

 A /■el ura, 87. 

 Ajili'iiiiptera, 75. 



i . 196. 

 Aphis, 196. 

 Aphodius, 142. 



Aphrodite, 433. 

 Apliropliora, 195. 

 Apidas, 45. 

 Apiocrinus, 298. 

 Apion, 149. 

 ^4p;'s, 45. 



Aplacopliora, 399. 

 Aplysia, 363. 

 Aplysiidss, 363. 

 Apodcrus, 150. 

 Apodida, 285. 

 Aporia, 92. 

 Aporrhaiidse, 385. 

 Aporrhais, 385. 

 4pws, 285. 

 Arachnida, 204, 213. 

 Atachnocystis, 297. 

 Aradus, 190. 

 Aranea, 220. 

 Araschnia, 86. 

 Arbelida, 103. 

 Area, 405. 

 Arcella, 553. 

 Architeuthis, 334. 

 Arddas, 404. 

 Arctia, 111. 

 'Arctiidse, 111. 

 Arctiiriila, 273. 

 Arenia, 436. 

 . lirnieoJn, 135. 

 Argiopida, 231. 

 Anjoiiittdii, 331. 

 Argulus, 283. 

 Argynnis, 84. 

 Argyroneta, 229. 

 Arffjironetidsz, 229. 

 . //•/'///, 345. 

 Arionidse, 345. 

 Arisioeystis, 296. 

 Ark-Shells, 104. 

 Armadillidium, 276. 

 A rum in. L53. 

 Army-Worm, 55. 

 Arrow- Worms, 456. 

 Artemia, 286. 

 Arthrolycosa, 221. 

 Arthropoda, 3. 

 Artiostigma, 205. 

 A runs, •_'! I. 

 . Iscaris, 452. 

 Ascetta, 546. 

 Asellota, 275. 

 As, 1/ns, 275. 

 Asilidm, 59. 

 ./.S/7//.S', 60. 



