24 



INDEX OF SPECIES. 



BuUmus 



seiuipellucidus, 44. 

 fitriatus, 162. 

 suffl.itns, 21, 27, 116. 

 translucens, O 181,0315. 

 undatus, 7, 59, 119, 170, 



O 251, P 176. 

 unicolor, 1S3, 315. 

 unifaseiatns, 45, O 1S3, 240, 



O 28S, 315, 359. 

 ustnlatus, 183, 1S8, 315, 



359- 

 vegetus, 116, O 227, 233, 



D 203. 

 verrucosus, O 287, 359. 

 vesicalis, 21, 116, 227, 234, 



U 203. 

 vexillum, 181, 315. 

 xniithostouia, 265. 

 Xantusi, 116. 

 zebra, 59, 251, 314, P 176, 



P 540. 

 Ziegleri, 59, O 314, P 177. 

 ziczag, 251, P 176. 

 Bulinua 



aurantiua, 161. 

 elatu?, i6i. 

 hypnorum, 161. 

 Bulla 



Adamsi, 24, 31, 37, 107, 194, 



237, 282, 313, 364, 



P 173, P 540. 

 australis, P 172. 

 Californica, 35. 

 calycnlata, O 175. 

 cerealis. 227, 229, U 203. 

 constricta, U 203. 

 crassula, 160. 



culeitella, O 227, 229, U 203. 

 d«cussata, O 179, 261, 271, 



P 454. 

 exarata, 250, P 173, 313. 

 fontinalis, 160. 

 fluviatilis, i6t. 

 v(ir, fulminosa, 132. 

 fasiforiais. U 203. 



BuUa 



gracilis, 237, O 250, P I?!, 

 P 540. 



inculta, 79, 227, U 203. 



infrequens, 237, 250, 275, 

 P 171. 



jugularis, 77. 



longinqna, O 284, O 313. 



Inticola, 194, O 274, P 170. 



major, P 172. 



media, P 172. 



nebnlosa, 22, 26, 79, 83, 107, 132, 

 151, 153, 198,0233, O 234, 

 O 237, O 284, 2S9, O 313, 

 352, 353, P 172, P 540, 

 V 220. 



?neIiulo-<a, 250, 296, P VI., 



Pi73. 

 Paiiamensis, 0295,0313, P 17a, 

 petrosa, 165, 367. 

 punctata, 154, O 1S9, O 274. 

 puiicticulata, 194, O 274. 

 puiictulata, 31, 37, 194, 229, 



Quoyii, S, 24, 100, 107, 132 

 O 1S9, 250, O 313, O 359, 



Pi73- 



rotundata, TJ 204. 



rufolabris, O 1S9, 313, 359. 



striata, 5, 364. 



tenella, 85. 



velutina, 216. 



vesicula, 79, O 227, 2S4, U 204. 



virescens, 48, 79, 284, 313. 



zebra, P 176. 

 BuUia 



ampullacea, 19, 70, 218, 221, 

 O 223, 342, 348. 



Pnrryi, 74. 

 BvUina 



exiinia, 90. 

 Bursa 



bitubercnlaris, 41. 



fusco-costata, 41. 

 ?Busycon 



Blakei, 75. 



