596 



INDEX. 



Bdellodrilus, 509. 



Bdelloida, 308. 



Bdelloidea, 300. 



Bdellura. 221. 



Beania. 565 



Bebryce, 183. 



Bela, 397. 



Belemnites, 417, 445. 



Beloidea, 23. 



Belonaspis, 23. 



Belonozoum, 23. 



Bellonella, 179. 



Beiihamia, 497, 511. 



Berenice, 134. 



Beroe. 208. 



Bicellaria, 565. 



Bicosoeca, 30. 



Biemma, 96. 



Bifaxaria, 565. 



Biflustra, 565. 



Bikoecina, 30. 



Bilharzia, 240. 



Bilimba, 511. 



Biloculina, 13. 



Biloculine, 9. 



Bimeria, 130. 



Bipectinate, 394. 



Bipennate (bipectinate) 

 ctenidimn, 373, 374. 



Bispira, 490. 



Bistylia, 194. 



Bithynella, 398. 



Bithynia, 380, 381 , 398. 



Bladder- worm, 252. 



Blastopore of Gastro- 

 poda, 380. 



Blastopore is the mouth 

 of the Gastrula. 



Blastostyle, 1'26. 



Blepharisma, 48. 



Blood-gland of Gastro- 

 poda, 373. 



Boat-shell, 397. 



Bodo, 28, 29. 



Bodonina, 31. 



Bodoninae, 29. 



Bohemilla, 509. 



Bojanus, organ of, 321, 

 341. 



Bolina, 207. 



Bolinopsis, 207. 



Bolivina, 13. 



Bolocera, 187. 



Bonellia, 530, 533. 



Bonnet limpet, 398. 



Boring Mussels, 348. 



Borlasia, 272. 



Borlasia splendida, 268. 



Botellina, 13. 



Bothridinm, 256. 



Bothrimonus, 258. 



Bothrioeephalus, 245, 

 250, 256. 



Bothrionenron, 508. 



Bothrioplana, 220. 



Bothriopsis, 59. 



Bothromesostoinurn,219. 



Botryoidal tissue, 519. 



Botryoidea, 23. 



Bougainvillea, 109, 130. 



Bowerbankia, 567. 

 j Brachiolophus, 168. 

 J Brachionas, 301, 310. 

 i Brachiopoda, 573. 



Brachydrilus, 500, 503, 

 506, 511. 



Brachytrochus, 194. 



Bract, 139. 



Brada, 489. 



Bradynema, 281, 290. 



Branchellion, 526, 513, 

 521. 



Branchial heart, 436. 



Branchiobdella, 509. 



Branchionima, 464, 490. 



Branchiura, 495, 498, 

 508. 



Brefeldia, 17. 



Brettia, 564. 



Briareuni, 182. 



Broderipia, 395. 



Bryodrilus, 509. 



Bryo/oa, 549. 



Bubble-shell, 406. 



Buccal ganglia, 319 ; 

 mass, 369. 



Buccinum, 358, 386, 396. 



Buchholzia, 509. 



Bugula, 565. 



Bulimina, 13. 



Bulimus, 380, 416. 



Bui la, 405, 406. 



Bui Ha, 361. 396. 



Bulloidea, 405. 



Bunodeopsis, 187. 



Bunodes, 187. 



Bursaria. 48. 



Buskia, 567. 



Buskiella, 489. 



Butschlia, 46. 



Bylgia, 478. 



Byrsophlebs, 220. 



Byssus, 330. 



Caberea, 565. 

 Cacochalyna, 96. 

 Caecilianella, 416. 

 Caenomorpha. 49. 

 Calamary, 445. 

 Calamphora, 132. 

 Calcabrina, 95. 

 Calcar, 300. 



Calcarea, 89. 

 Calcareous glands, 497. 

 Calcarina, 14. 

 Caleschara, 565. 

 Calices, 195. 

 Calicotyle, 234. 

 Caligorgia, 182. 

 Callianira. 207. 

 Callidina, 304. 308. 

 Callidrilus, 511. 

 Calliobdella, 513, 526. 

 Calliobothriura, 244 259. 

 Callipelta, 94. 

 Callipodium, 178. 

 Callisis, 182. 

 Callistephanus, 183. 

 Calliteuthis, 445. 

 Callitiara, 131. 

 Callizona, 479. 

 Callochiton, 392. 

 Callozostron, 182. 

 Calpe, 149. 

 Calthropella, 94. 

 Calthrops, 84. 

 Calycella, 132. 

 Calyclo, 128. 



,, (theca), in:!. 

 Calyconectae, 144. 

 Calycophoridae, 144. 

 Calyniina, 21, 208. 

 Calymmophora, 565. 

 Calypterinus, 182. 

 Calyptoblastca, 126,132, 



132. 



Calyptotricha, 47. 

 Calyptraea, 398. 

 Calyptrophora, 182. 

 Calyx, 96. 

 Caminus, 94. 

 Cam pan aria, 134. 

 Campaniclava, 129. 

 Campanopsis, 132. 

 Campaiiularia, 132, 134. 

 Campanulina, 132, 134. 

 Canal .system of Aeras- 



poda. 112 ; of Craspe- 



dota, 112. 

 Canalis gynaeoophorus, 



240. 



Cancellaria, 397. 

 Canda, 565. 

 Candeina, 14. 

 Caneplioridae, 486. 

 Canidia, 386, 396. 

 Cannophysa, 155. 

 Caimopilus, 35. 

 Cannorhiza, 168. 

 Cannostomae, 167. 

 Cannota, 134. 

 Caobangia, 462, 491. 

 Capillitium, 16. 



