INDEX TO GENERA AND SUBGENERA OF MOLLUSCA. 



117 



Atractotrema, 21. 



Aturia, 58. 



Atys, 54. 



Auricula, 56. 



Auricula^ see Actason, Liocarenus, 



Ringicula, Traliopsis. 

 Aurinia, 47. 

 Austrofusus, 45. 

 Avicula, 17, 63. 

 Avicula, see Aviculovulsa. 

 Aviculoperna, 18. 

 Aviculovulsa, 18. 

 Axinasa, 15, 63, 114. 

 Axinus, 10. 

 Azara, see Bicorbula. 



Babylonella, 50. 



Balanocochlis, 34. 



Barbatia, 15, 63. 



Bariiea, i. 



Basilissa, 23. 



Basterotia, 8, 62. 



Batillaria, 41, in, 115. 



Bathytoma, 51, 113. 



Baudonia, see Eulimella. 



Bayania, 35,65, 115. 



Bela, 51. 



Beloptera, 58. 



Belopterina, 58. 



Belosepia, 58. 



Berellaia, 30. 



Bernayia, 42. 



Bernayia, see Parvicorbis. 



Berthelinia, 18. 



Bezanconia, 38. 



Bicorbula, 2. 



Bifidoscala, 26. 



Bifrontia, see Homalaxis. 



Bithinella, 31. 



Bithinia, 31, 65. 



Bithmia, see Acrophlyctis, Assiminea, 

 Balanocochlis, Bithinella, Hydrobia, 

 Lacuna, Lapparentia, Stenothyra, 

 Tomichia. 



Bittium, 38. 66. 



Borsonia, 50. 



Bouryia, 34. 



Boutillieria, 22. 



Brachidontes, 17, 



Brackydontes, see Brachidontes. 



Brachyspira, 57. 



Brachyspira^ see Succincea. 



Brachytrema, 37, 65. 



Buccinanops, 44. 



Biiccinauops, see Douvilleia. 



Buccinofusus, 47. 



Bitcd'nofusus, see Ptychatractus. 



Biiccintim, see Cominella, Crypto- 

 chorda, Douvilleia, Lsevibuccinum, 

 Liomesus, Murex, Sipho, Tritonidea. 



Buchozia, 51- 



Bulimnaea, 55. 



Bulimulus, 57. 



Bulimus, 57. 



Bulirnus^ see Rillyia. 



Bulla, 54, 68. 



Bulla, see Atys, BuUinella, Scaphander. 



BuUia, 44. 



Bullina, see Tornatina. 



BuUinella, 54, 68, in. 



Byssocardium, 9. 



Bythinia, see Bithinia. 



Cascum, 35, 65. 



Ccepatia, see Cepatia. 



Calliomphalus, 22. 



Calliostoma, 23. 



Callista, 6, 62. 



Calyptrsea, 30, 65. 



Campanile, 38. 



Canaliscala, 27. 



Cancellaria, 49, 66, 115. 



Cantharus, 44. 



Capiluna, 21, in. 



Capsa, see Asaphinella. 



Capulus, 29, 65. 



Capulus, see Plesiothyreus. 



Cardilia, 3. 



Cardita, 14, 63. 



Cardita, see Anisocardia, Glans, Goos- 

 sensia, Venericardia. 



Cardium, 8, 62. 



Cardium, see Papyridea. 



Caryatis, see Pitar. 



Carychiopsis, 56. 



Carychium, 56. 



Cassidaria, see Mcrio. 



Cassidula, see Auricula. 



Cassis, 42. 



Cavilabium, 33. 



Cavilucina, 11. 



Cephalopoda, 58. 



Cepatia, 28. 



Ceratia, 32, 115. 



Ceres, 24. 



Cerithiella, 39, 66, in. 



Cerithioderma, 36, in. 



Cerithiolnm, see Bittium. 



Cerithiopsis, 38. 



Cerithiscala, 27. 



Cerithium, 37, 65, no. 



Cerithijwt, see Bittium, Brachytrema, 

 Cerithiella, Cerithiopsis, Fastigiella, 

 Faunus, Orthochetus, Potamides, 

 Sandbergeria, Semisinus, Teleos- 

 toma, Triforis, Trypanaxis. 



Chama, 9. 



Chelotia, 21. 



Chemnitzia, see Pseudomelania, Tur- 

 bonilla. 



