57 ° 
Asopia, 118. 
Asparagus-Fly, 71. 
Aspergillum, 418. 
Aspidogaster, 466. 
Astacidca, 263. 
Astacopsidac, 268. 
Astacus, 264. 
Asterias, 305. 
Asterina, 305. 
Asteroidea, 304. 
Asthenosoma, 311. 
Astraea, 509. 
Astroidcs, 508. 
Astropecten, 305. 
Astropygcc, 311. 
Astrorhiza, 555. 
A tax, 243. 
Atclecrinus, 300. 
Atemeles, 135. 
Athalia, 17. 
Atlanta, 394. 
Atlantidae, 394. 
Atradonema, 451. 
Attagenus, 140. 
Attelabus, 150. 
Attidae, 234. 
Attus, 235. 
Atya, 269. 
Atypidae, 226. 
Atypus, 226. 
Auger-Shells, 371. 
Aulostoma, 443. 
Aurelia, 492. 
Auricula, 349. 
Auriculidae, 349. 
Auronectidae, 483. 
Avicula, 407. 
Avicularia, 224. 
Aviculidee, 407. 
Axinella, 542. 
Baculites, 340. 
Balanidae, 281. 
Balaninus, 150. 
Balantium, 368. 
Balanus, 281. 
Balatro, 446. 
Baridius, 151. 
Barnacles, 280. 
Basommatophora, 349. 
Bassus, 23. 
Bath-Sponge, 545. 
Bathycrinus, 302. 
Bathydoris, 355. 
Bathy siphon, 555. 
Batrachomyia, 74. 
Bdelloidea, 446. 
Beak-Shells, 385. 
Bee-Flies, 60. 
Beche-de-Mer, 314. 
Bees, 36, 42, 45. 
Beetles, 123. 
Bela, 372. 
Bclemnitidae, 338. 
Bell-Animalcules, 566. 
Bellinurus, 251. 
Belonogaster, 42. 
Bclostoma, 193. 
Bembecidae, 33. 
Bernbex, 33. 
Beroe, 476. 
Beroidee, 476. 
INDEX. 
Bibio, 58. 
Bibionidae, 58. 
Bioriza, 21. 
Bipalium, 471. 
Bird-Lice, 176. 
Birgus, 262. 
Biston, 114. 
Bivalves, 401. 
Bladder-Worm, 463. 
Blattidae, 184. 
Blaps, 147. 
Blastoidea, 303. 
Blow-Fly, 64. 
Blue Butterflies, 88. 
Boletopliila, 56. 
Bombardier Beetle, 131. 
Bombus, 46. 
Bombycidse, 95. 
Bombyliidee, 60. 
Bombyx, 95. 
Bonellia, 444, 445. 
Book-Lice, 175. 
Book-Scorpion, 237. 
Boring Sponges, 543. 
Bot-Flies, 72. 
Bothriocephalus, 463. 
Bothriuridae, 215. 
Botys, 118. 
Bougainvillea, 487. 
Bourgeticrinus, 299. 
Brachinus, 131. 
Brachionus, 446. 
Brachiopoda, 427. 
Br achy elytra, 134. 
Brachxyura, 255. 
Braconidee, 21, 26. 
Brain-Corals, 510. 
Branchipodidse . 286. 
Branchipus, 286. 
Braula, 75. 
Braulidse, 75. 
Brechites, 418. 
Breeze-Flies, 58. 
Brentliidae, 152. 
Brisingidae, 306. 
Brissopsis, 309. 
Bristle-Tails, 203. 
Bristle-Worms, 432. 
Brittle-Stars, 306. 
Bromius, 157. 
Brotolomia, 113. 
Bruchidae, 154. 
Bruchus, 155. 
Bryozoa, 419. 
Bubble-Shells, 362. 
Buccinidae, 376. 
Buccinum, 376. 
Buff-Tip, 99. 
Bugs, 188. 
Buliminus, 347. 
Bulimulus, 347. 
Bulimus, 347. 
Bulla, 362. 
Bullidae, 362. 
Bupalus, 115. 
Buprcstidae, 143. 
Burnets, 102. 
Burnished Wasps, 26. 
Burying Beetles, 137. 
Butliidac, 215. 
Buthus, 216. 
Butterflies, 77, 83. 
Byturidae, 139. 
By turns, 139. 
Caddis-Flies, 159. 
Calamary, 334. 
Cdlappidae, 259. 
Calcareous Sponges, 535. 
Calcaria, 534. 
Caligus, 283. 
Callichromides, 153. 
Callidinia, 446. 
Callidium, 154. 
Callidulidae, 104. 
Calliphora, 64, 67. 
Calocoris, 190. 
Calosoma, 132. 
Calpurnus, 384. 
Calycozoa, 495. 
Calyptraea, 390. 
Calxjptraeidae, 390. 
Cambalidas, 211. 
Camberwell Beauty 86. 
Campodea, 203. 
Camponotus, 31. 
Camptosomata, 156. 
Cancellaria, 372. 
Cancellariidae, 372. 
Cancer, 255. 
Cancridae, 255. 
Caponiidae, 228. 
Caprella, 278. 
Caprellidae, 278. 
Caprellina, 278. 
Capulus, 390. 
Carabidae, 130. 
Cardbus, 131. 
Carcinus, 255. 
Carchesinm, 566. 
Cardiacea, 414. 
Cardiapoda, 394. 
Cardiidae, 414. 
Cardiliidae, 413. 
Cardioceras, 340. 
Cardissa, 414. 
Carditidae, 410. 
Cardium, 414. 
Caridea, 268. 
Caridina, 269. 
Carinaria, 394. 
Carnosa, 541. 
Carpenter-Bees. 43. 
Carrier-Shells, 390. 
Carteria, 200. 
Carychium, 349. 
Caryocrinus, 296. 
Case-Weavers, 102. 
Cassida, 157. 
Cassididae, 381. 
Cassis, 382. 
Cataulus, 390. 
Catocala, 112. 
Catometopa, 257. 
Catoxantha, 143. 
Caulastraea, 499. 
Cavolinia, 368. 
Cavoliniidae, 367. 
Cecidomyia, 56. 
Cecidomyidae, 56. 
Cenobita, 261. 
Centipedes, 204. 
Centrotus, 195. 
Cephalopoda, 328. 
