480 



INDEX 



Astrangia, 141, 150. 



A. danae, 13, 141, 150. 

 Astropecten, 204, 209. 



A. articularis, 204, 209. 

 Astropectinidae, 204, 208. 

 Astrophyton, 213, 215. 



A. Agassizii, 213, 215. 

 Astyris gausapata, 326, 389. 

 Asymmetrical, 328. 

 Aurelia, 133, 137. 



A. flavidula, 133, 137. 

 Auricula, 231. 

 Auriculata, 201. 

 Avicula, 405, 431. 



A. atlantica, 405, 431. 

 Avicularia, 190, 193. 

 Aviculidoe, 405, 430. 



Balanus, 239, 250, 254. 



B. balanoides, 239, 255. 



B. crenatus, 256. 



B. eburneus, 239, 255. 



B. geniculatus, 239, 256. 



B. ovularis, 255. 



B. rugpsus, 239, 256. 



B.tintinnabulum, 239, 256. 

 Bangia, 78, 96. 



B.fusco-purpurea,43,78,96. 

 Bangiaceae, 78, 96. 

 Barnacles, 8, 43, 245, 250. 

 Bathymetrical division, 23. 

 Bdelloura, 160, 167. 



B. Candida, 160, 167. 



B. rustica, 160, 167. 

 Beach-flea, 245, 289. 

 Beak, 417. 

 Bela, 309. 

 Benthos, 23. 

 Bero'ida, 154, 157. 

 Bilateral symmetry, 20, 302, 



320, 321. 



Binomial nomenclature, 28. 

 Bipinnaria, 201. 

 Biramous, 243, 257. 

 Bittium, 326, 374. 



B. nigrum, 326. 

 Bivalves, 306, 307, 314, 315, 

 409. 



Mud-boring, 452. 



Rock-boring, 452, 460. 

 Blastostyles, 120. 

 Blue crab, 275. 

 Blue-green seaweeds, 47, 48, 



49- 



Body-whorl, 304, 343. 

 Bolina, 154, 156. 



B. alata, 154, 156. 



B.septentrionalis,154, 156. 



B. vitrea, 154, 156. 

 Boltenia, 473, 476. 



B. clavata, 473, 476. 

 Bopyridae, 292. 

 Boreal, 23. 



Boring amphipod, 290. 

 Boring- sponges, 105. 

 Bostrychia, 77, 89. 



B. rivularis, 77, 89. 

 Botanical facts about algse, 25. 

 Botryllus, 473, 477. 



B. gouldii, 473, 477. 

 Bougainvillea, 124. 



B. superciliaris, 116, 124. 

 Box-crab, 287. 

 Brachyura, 241, 258, 272. 

 Brain-corals, 146. 

 Branchise, 302, 319, 329, 336, 



Dermal, 208. 

 Branchiolaria, 201. 

 Brissopsis, 217, 227. 



B. lyrifera, 217, 227. 

 " Brit," 249. 



Brittle-stars, 43, 200, 214. 

 Brown bodies, 190, 193. 

 Bryopsis, 51, 59. 



B. plumosa, 51, 59. 

 Bryozoa, 191. 

 Buccal mass, 302, 317. 

 Buccinidae, 327, 391. 

 Buccinum, 12, 309, 313, 327, 

 330, 392. 



B. undatum, 42, 44, 314, 



327, 331, 392. 



Bucidiumparasiticum, 144. 

 Bugula, 188, 192, 193, 195. 



B. flabellata, 188, 196. 



B. Murrayana. 188, 196. 



B. turrita, 43, 188, 195. 

 Bui la, 324, 351. 



B. nebulosa, 324, 351. 



B. occidentalis, 324, 351. 



B. solitaria, 324. 

 Bullidae, 324. 

 Butterfly-shells, 323. 

 Byssus, 415, 426, 432. 



Caberea, 188, 195. 



C. Ellisii, 188, 195. 

 Cake-urchins, 218, 224. 

 Calappa, 241, 287. 



C. flamma, 241, 287. 

 Calappidac, 241, 287. 

 Calcarea, 100, 104, 106. 

 Calcareous hydroids, 129. 



Seaweeds, 31, 147. 

 California!) province, 312. 

 Callinectes, 241, 275. 



C. hastatus, 12, 275. 



C. sapidus, 241, 274, 275. 

 Calliostoma, 312, 325, 361. 



C. annulatum, 325, 361. 



C. canaliculatum, 325, 361. 



C. costatum, 325, 361. 



C. jujubinum, 325, 361. 



C. occidentale, 325, 361. 

 Callista, 311, 410. 



C. gigantea, 450. 



C. maculata, 450. 

 Callithamnion, 15, 78, 79, 90. 



C. americanam, 78, 90. 



C. Baileyi, 78, 91. 



C. byssoideum, 78, 91. 



C. floccosum, 78, 91. 



C. Pylaisaei, 78, 91. 



C. seirospermum, 78, 91. 

 Callophyllis, 76, 82. 



C. laciniata, 76, 82. 



C. variegata, 76, 82. 



Calothrix, 48, 49. 

 Cameo-cutting, 381. 

 Campanularians, 116, 121, 125. 

 Canal, 302. 



Anterior, 344. 



Posterior, 344. 



System of sponge. 103. 

 Cancellaria, 310, 327, 402. 



C. reticulata, 327, 402. 

 Cancellanidae. 327, 402. 

 Cancellus, 266. 

 Cancer, 241, 277. 



C. antennarius, 241, 280. 



C. borealis, 241, 277. 



C. irroratus, 241, 277. 



C. magister, 241, 278. 



C. productus, 241, 278. 

 Cancroids, 241, 277. 

 Caprella, 8, 242, 291. 



C. geometrica, 242, 291. 

 Capulidae, 325, 369. 

 Carapace, 243, 246. 

 Carcinides, 241, 274. 



C. mamas, 241, 274. 

 Carcinus mcenas, 41, 274. 

 Cardiidae, 407, 453. 

 Cardita, 406, 440. 



C. borealis, 406, 440. 



C. floridana, 406, 440. 

 Carditidae, 406, 439. 

 Cardium, 310, 311, 407, 410 

 413, 453- 



C. corbis, 407, 454. 



C. elatum, 407,454. 



C. islandicum, 407, 454. 



C. isocardia, 407, 454. 



C. laevigatum, 407, 454. 



C. magnum, 407, 453. 



C. mortoni, 407, 454. 



C. pinnulatum, 407, 454. 



C. quadrigenarium, 407, 

 454- 



C. serratum. 407, 454- 



C. substriatum, 407, 454. 

 Caribbean province, 310. 

 Carinated, 302. 

 Cartilage, 417. 

 Cartilaginous, 27. 

 Cassididae, 326, 380. 

 Cassiopeia, 133, 140. 



C. frondosa, 133, 140. 

 Cassis, 310, 326, 380. 



C. cameo, 326, 380. 



C. inflata, 326, 381. 



C. Madagascarensis, 381. 



C. testiculus, 326, 381. 



C. tuberosa, 326, 380. 

 Caudina, 228, 233. 



C. arenata, 228, 233. 

 Caulerpa, 51, 56, 59. 



C. Mexicana, 51, 60. 



C. paspaloides, Plate VIII 



C. plumaris, Plate VIII. 



C. plumosa, 51. 



C. prolifera, 51, 60. 



C. Wurdemanii, 51. 

 Caulerpaceae, 51, 59. 

 Cellepora, 188, 197. 



C. pumicosa, 188, 197. 



C. ramulosa, 188, 197. 



C. scabra, 188, 197. 

 Cellularia, 188, 195. 



C. ternata, 188, 195. 



