INDEX OF SPECIES. 



IT 



Anachls 



Guatemalensis, 35, iSi. 



leutiginotia, O 344. 



lyrata, 25, 5 So, 344. 



maculosa, 



maesta, iSi, o .70, 344, P 509. 



nigricans, 25, iSi, 344, 361, 



P 509. 

 nigiofusea, O 263, 343, P 509. 

 nucleolus, O 343. 

 pallida, 112, 343. 

 parva, 344. 

 ?penicillata, 23, 150, 2SS. 

 pygmaea, 25, 35,112, 181,0263, 



0343,0363,? 510, P511. 

 pvginrea, rar. 2S4, P 510. 

 pulchrior, 112. 

 rufotincta, 34, 263, 343, 



P5U- 



rugosa, 25,59, 181,0283,0344. 

 rugulosa, O 361,0 344. 

 scalarina, 35, iSo, 263, 343, 



P505. 



serrata, U2, 260, 343, 263, 

 P 509. 



subturrita, 99, 150. 



terpsicliort!, 364. 



te^selata, O 270, 344. 



tiiiota, 105, 221. 



taeniata, 112, 260, 343. 



vaiia, 25, iSi, 344, P 507. 

 Anatina 



alta, 39, 204, 280. 



aigentaria, 231. 

 Anculosus 



Nuttalli, 162. 

 Ancylus 



caurinus, 85, 161. 



crassus, 161. 



fragilis, 161. 



Kootaniensis, 90, 161. 



Newberryi, 161. 



Nuttalli, 85. 



patelloides, 120, 161. 

 Anellum 



anuulatum, X 442, 

 2 



Anellum 



clathratum, 256, 324, X 442. 



elegautissimuin, X 443. 



felegautisbiuiuiu, tar. Searles- 

 Woodii, X 443. 



eloiigatum, 256, 324, X 442. 



-^^— var. seuiilaeve, X 442. 



firmatum, 256, O 324, X 442. 



Floridanum, X 442. 



gracile, X 443. 



gurgulio, X 442. 



?parvum, 324. 



pulchelluui, X 442. 



quadratuiu, 256, 324, X 442. 



I ? car. couipactuin, X 442. 



j regulare, X 443. 



! subiiupressum, 256, 324, 



X 442. 



trachea, X 442. 



? V(ir. obsoletum, X 442. 



tuiuiduiii, X 442. 



undatum, 256, 324, X 443. 

 Angulus 



aiiiplectans, 155, 272, 



decuiubens, 271. 



Gouldii, 125, 151, 300. 



modestus, 88, 125, 167. 



obtusus, 125, 235. 



tener, 88, 125, 167. 



variegatns, 97, 113, 125, 235. 

 Anodon (=:AnodODta) 



augulata, 17, 18, 86, 92, 120, 

 164, O 206, 210, 212, 

 O 297, 309. 



auatina, O 222. 



anseriua, P 117. 



atrovirens, 295, 309. * 



Californiensis, 77. 



cellensis, 222. 



cicoiiia, 170, 232, O 227, 

 O 309, O 248, P H7, U 202. 



cognata, 17, 91, 210, O 212, 

 O310. 



cornea, O 295, O 309. 



feminalis, 17, 86, 120, 210, 

 212,0 213,0309. 



