362 



INDEX. 



Litnax variegatus, Drap. 34. 

 Limuca coluinella, Say, S3. 

 Oligyra, Say, 351. 



orbiculata, Say, 352. 

 Onchidinin, 16. 

 Patulu allernata, Held, 213. 



perspective, Held, 256. 

 Philomycus, Raf. 19. 



caroliniensis, Per. 20. 



dorsalis, Binney, 24. 

 Polygyra auriculata, Say, 186. 



avara, Say, 186, 188. 



Dorfeuillana, Lea, 193, 196. 



fatigiata, Say, 193, 195. 



plicata, Say, 195. 



septemvolva, Say, 188. 



troostiana, Lea, 193, 196. 

 Polyphemus, Schuin. 297. 



glans, Say, 301. 

 PUPA, Drap. 305, 312. 



albilabris, Adams, 288. 



armifera, Say, 320. 



armigera, Pot. et Mich. 320. 



badia, Adams, 323. 



contracts, Say, 324, 329. 



eortiearia, Say, 314, 328. 



costulata, Migh. 290. 



curvidens, Gould, 328, 330. 



cyclostoma, Kiist. 319. 



decora, Gould, 327. 



doliolum, Drap. 3'24. 



dolium, Drap. 313. 



exigua, Say, 286, 314. 



fallax, Gould, 288. 



Gouldii, Binney, 328, 332. 



incana, Binney, 314, 318. 



num'tima, Pf. 316. 



inilium, Gould, 332, 333. 



modest a, Say, 238, 334, 336. 



modica, Gould, 319. 



mumia, Lam. 318. 



muscarum, Drap. 324. 



ovata, Say, 333, 334. 



pentodon, Say, 328. 



pontifica, Gould, 306. 



procera, Gould, 341. 



rupicola. Say, 341. 



Tappaniana, Adams, 328, 330. 



unicarinata, Lk. 308. 



uva, Lam. 318. 



variolosa, Gould, 331. 

 Pupina, 346. 

 SIPIMJNOSTOMA, Gould, 305. 



lactaria, Gould, 309. 

 Steganotoma, 346. 



Stenotrema avara, Hartm. 186. 

 Styloides lubricus, Fitz. 283. 

 SUCCINEA, 59. 



amphibia, L. 83. 



aperta, Lea, 65, 66. 



avara, Say, 63, 65, 66, 73. 76, 



77. 



aurea, Lea, 66, 76, 78. 

 campestris, Gould, 69. 

 campestris, Say, 63, 64, 66, 67, 



76. 



concordialis, Gould, 82. 

 inflata, Lea, 66, 67. 

 lineata, De Kay, 67. 

 luteola, Gould, 75. 

 inunita, Gould, 128. 

 nuttalliana, Lea, 66, 67, 81. 

 obliqua, Say, 63, 64, 69, 72. 

 oblonga, Drap. 80, 82. 

 oregonensis, Lea, 66, 67, 77. 

 ovalis, Say, 63, 64, 69, 72. 

 oval is, Gould, 66, 78, 81. 

 retusa, Lea, 65, 66. 

 rotundata, Lea, 67. 

 totteniana, Lea, 65, 66, 69, 



72. 



undulata, Say, 64, 65, 76. 

 vermeta, Say, 64, 73, 74. 

 Wardiana, Lea, 65, 66, 73, 74. 

 TEBENNOPHORUS, 18. 



caroliniensis, Binney, 20. 

 dorsalis, Binney, 24. 

 Toraalellina, 292, 295. 



cubensis, Pf. 294. 

 Triodopsis appressa, Beck, 140. 

 inllecta, Beck, 143. 

 hirsuta, Beck, 150. 

 Truncatella, 351. 

 VAGINULUS, 14. 15. 



iluridanus, Binney, 17. 

 Veronicella, 16. 

 VERTIGO, 314. 



decora, Gould, 

 Gouldii, Binney, 332. 

 milium, Gould, 

 ovata. Say, 334. 

 pentodon, Say, 328. 

 VITRINA, 46, 52. 



Lamarckii, 53, 57. 

 limpida, Gould, 53. 

 pellucida, Drnp. 53, 55. 

 subglobosa, 58. 

 Zebra Mftlleri, Chem. 271. 

 Zebrina alternate, Held. 276. 

 Zua lubrica, Leach, 283. 



END OF VOLUME II. 



