INDEX 



515 



Assimiiica, ^15 



Astark', 451 



Asthenothaerx's, 4S9 



Astralium, 409 



Athoracophorus, 44^ — see Janella 



Athyris, 499, 500, 505 ; stratigraphical 



distribution, 507, 508 

 Atilia, 423 



Atlanta, 421, 423 ; foot, 200 

 Atopocochlis, 330, 44I 

 Atreniata, 511 



Atretia, distribution, 486, 4S7 

 Atnjpa, 501, 502, 505 ; stratigraphical 



distribution, 507, 508 

 Atrypidae, 501, 505, 508 

 Aturia, 393, 395 

 Atys, 428, 430 

 Aucapitaine, H., on tenacity of life, 



38 

 Aucella, 44^ 

 Aulopoma, 157, 304, 4-?4 ; operculum, 



269 

 Aulosteges, 504 '■> stratigraphical distribu- 

 tion, 507 

 Aitricnla, 439, 4^9 

 Auriculella , 327, 44^ 

 Auriculidae, 17, 18, 260, 439, 439 ; lung, 



160 ; eyes, 186 ; radula, 235 

 Austenia, 301, 304, 44O 

 Arellana, 430 

 Avicula, 254, 258, 449, 449 ; eyes, 190 ; 



genital orifice, 242 ; ^1. inargaritifera, 



100 

 Aviculopecten, 450 

 Aviculopinna, 440 

 Axiuus, 452 

 Azeca, 44^ 

 Azygobrauchiata, 155, 407 



BABiyKA, 447 



Bactrites, 395 



BaculUes, 399 



Baikalin, 290, 415 



Baird, Mr., on the British Museum snail, 



37 

 B<(/ca, 44'' > B. perversa, 24, 41 

 Baltic, fauna of the, 12, 83, 366 

 Bunkivia, 4O8 

 Barhatia, 448 

 Barh'ciu, 415 

 Barnacle, I'ev. H. G. , on musical sounds 



produced by Mollusca, 51 

 Barometers, snails as, 50 

 Barth'ttia, 452 

 liasilissa, 376, 4O8 

 Basonimatojihora, 11, 19, 181, 43S 

 Basteriitia, 451 

 Bateson, W., on variation in Cardium, 91 ; 



on hearing in Anomia, 196 

 Batlimoceras, 395 

 Bath y dor is, 433 

 ' Buthyteuthis, 390 



Batissa , 320, 453 



Beddomea, 304 



Beecher on phylogeny, 509 



Beetles, prey on Mollusca, 58 



Beta, 426 ; radula, 219 



BelemnUes, 380 



Belemnitidae, 3S7 



Bclcm nosipia, 390 



Bdlraqjlunt, 266, 407 



Beloptera, 380 



Belopteridae, 3S8 



Belosepia, 386, 3SS 



Bdoteuthis, 390 



Jkmhlx, 376, 40s 



Benedictia, 290, 415 



Benthohia, 377 



Benthodolium, 377 



Berendtia, 44^ 



Beudant, experiments on Mollusca, 12 



Bideford Bridge and mussels, 117 



Binney, Dr., on epiphragm, 28 



Binneya, 341, 441 



BiradAoUtc;, 456 



Birds, devour Mollusca, 56 f. 



Bithynella, 289, 293, 415 



Bithynia, 336, 342, 415; stomach, 239; 

 habitat, 25 



Bittiiim, 4I6 



Bl'fesns/.ira, 346, 351 



Bbnulu-U,i, 16, 414 



Uliiiifordia, 414 



Blind Mollusca, 185 



Blood, 171 



Bodo, land Mollusca, 24 



Boeuf and French oysters, 107 



Bnlma, 409 



Biiltenui, 346 



Barcofusus, radula, 221 



Born'eUa, 433 ; stomach, 239 



Bursonia, 426 



Bonis, 356-358, 441 



Bourcieria, 357, 4IO 



Bourguetia, 417 



Bourguignatia, 332 



Bouvier — see Fischer 



Boijsia, 302, 442 



Brachial apparatus, types of, 500 



Brachiopoda, fossil, limestone formed of, 

 492 ; shell, 493, 497 ; muscle scars on, 

 494, 501 ; platform, 495 ; synopsis of 

 families, 503 ; stratigraphical distribu- 

 tion, 506 ; phylogeny and ontogeny, 

 509 ; Orders, 511 



Brachiopoda, recent 463 ; historical 

 account of, 464 ; shell, 465 ; body, 

 469 ; digestive system, 471 ; body 

 cavity, 472 ; heart, 473 ; e.vcretory 

 organs, 474 ; muscles, 475 ; nervous 

 system, 478 ; reproductive system, 478 ; 

 embryology, 479 ; habits, 482 ; distri- 

 bution. 484 ; classitication. 487 ; attini- 

 ties, 487 



