480 
Astrangia, 141, 150. 
A. danaé, 18, 141, 150. 
Astropecten, 204, 209. 
A, articularis, 204, 209. 
Astropectinidge, 204, 208. 
Astrophyton, 213, 215. 
A. Agassizii, 213, 215. 
Astyris gausapata, 326, 389. 
Asymmetrical, 328, 
Aurelia, 133, 137. 
A. flavidula, 183, 137. 
Auricula, 231. 
Auriculata, 201. 
Avicula, 405, 431. 
A. atlantica, 405, 431. 
Avicularia, 190, 193. 
Aviculidz, 405, 430. 
B 
Balanus, 239, 250, 254. 
B. balanoides, 239, 255. 
B. crenatus, 256. 
B. eburneus, 239, 255. 
B. geniculatus, 239, 256. 
B. ovularis, 255. 
B. rugosus, 239, 256. 
B. tintinnabulum, 239, 256. 
Bangia, 78, 96. 
B.fusco-purpurea,43,78,96. 
Bangiacez, 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. 
Beroida, 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. 
Bopyride, 292. 
Boreal, 23. 
Boring amphipod, 290. 
Boring-sponges, 105. 
* Bostrychia, 177, 89. 
B. rivularis, 77, 89. 
Botanical facts about alge, 25. 
Botryllus, 473, 477. 
INDEX 
B. gouldii, 473, 477. 
Bougainvillea, 124. 
B. superciliaris, 116, 124. 
Box-crab, 287. 
Brachyura, 241, 258, 272. 
Brain-corals, 146. 
Branchiz, 302, 319, 329, 336, 
* 413. 
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, Ig1. 
Buccal mass, 302, 317. 
Buccinidz, 327, 391. 
Buccinum, 12, 309, 313, 327, 
330, 392. 
B. undatum, 42, 44, 314, 
327, 331, 392. 
Bucidium parasiticum, 144, 
Bugula, 188, 192, 193, 195. 
B. flabellata, 188, 196. 
B. Murrayana, 188, 196. 
B. turrita, 43, 188, 195. 
Bulla, 324, 351. 
B. nebulosa, 324, 351. 
B. occidentalis, 324, 351. 
B. solitaria, 324. 
Bullidz, 324. 
Butterfly-shells, 323. 
Byssus, 415, 426, 432, 
Cc 
Caberea, 188, 195. 
C. Ellisii, 188, 195. 
Cake-urchins, 218, 224. 
Calappa, 241, 287. 
C. flamma, 241, 287. 
Calappida, 241, 287. 
Calcarea, 100, 104, 106. 
Calcareous hydroids, 129. 
Seaweeds, 31, 147. 
Californian province, 312. 
Callinectes, 241, 275. 
C. hastatus, 12, 275. 
C. sapidus, 241, 274, 275. 
Calliostoma, 312, 325, 361. 
C. annulatum, 825, 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, go. 
C. americanum, 78, go. 
C. Baileyi, 78, gr. 
C. byssoideum, 78, gI. 
C. floccosum, 78, gr. 
C. Pylaiszi, 78, gt. 
C. seirospermum, 78, I. 
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. 
Cancellariidz, 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. 
Cancroide, 241, 277. 
Caprella, 8, 242, 291. 
C. geometrica, 242, 291. 
Capulidz, 325, 369. 
Carapace, 243, 246. 
Carcinides, 241, 274. 
C. mzenas, 241, 274. 
Carcinus mznas, 41, 274. 
Cardiida, 407, 453- 
Cardita, 406, 440. 
C. borealis, 406, 440. 
C. floridana, 406, 440. 
Carditidz, 406, 439. 
Cardium, 310, 311, 407, 410, 
418, 453. 
C. corbis, 407, 454. 
C. elatum, 407, 454. 
C. islandicum, 407, 454. 
C. isocardia, 407, 454. 
C. levigatum, 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. 
Cassidide, 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 VIIL 
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. 
