INDEX OP SPECIES. 



101 



Scalaria 



raricostata, 33, 260, 336, 



P447. 

 regularis, 244, 284, 336, 



S 164. 

 reflexa, 288, 336, Q 235. 

 staturainata, 230, O 336. 

 subeorouata, 99, 146. 

 ) subuodosa, 284, 336, S 

 165. 

 subulata, 216. 

 suprastriata, 260, 336, P 



446, P 447. 

 tiara, no, 284, 336, S 164. 

 ?var. tincta, 146, 151, 244. 

 Turtoiiis, 244. 

 venosa, 230. 

 vulpina, 206, 336. 

 Scapharca 



bifrons, 24, 154. 

 emaiginata, 24. 

 labiata, 24. 

 nux, 24. 

 Schizopyga 



Californiana, 79. 

 Schizothaerus 



Nuttallii, 22, 25, 26, 69, 72, 76, 



86, 123, 126, 169. 

 maximus, 123. 

 Scintilla 



Cumingii, 186. 

 Scissurella 



rimuloides, 34, 258. 

 Scrobicularia 

 alta, 26. 



aiigulata, Q. 230. 

 biangularis, 303. 

 biaugulata, 12, 195, Q, 230, 



V 213. 

 Dombeyi, var. 272. 

 produota, 40, 272, 284, 287, 



303, Q 230, S 160. 

 viridotincta, 284, 303, S 160. 

 Scutalus 



proteus, 158. 

 Xantusi, 158. 



Scutellina 



navioelloides, 31,37, I97i0 252, 



319, P 211. 

 Sourria 



{Ivar.) funleulata, 98, 136. 

 mitra, 23, 26, 79, 84, 136, 170, 



173, 174, 190, 199, 



202, 209, 234, 297, 



31^, 348, P 292, V 222. 

 pallida, 79, O 284. 

 scurra, 170, V 222. 

 Segmentina 



Donbilli, 44. 

 Sella 



assimilata, 33, P 445. 

 Semele 



bioolor, 29, 105, 303. 

 Californica, 287. 



var. 105, 151, 303. 



cornigata, 126. 



deoisa, 22, 26, 126, 231, 303, 



O351, V 213. 

 elliptica, 303, P 28. 

 flavescens, 29, 39, 48, 105, 203, 

 , 245, 303, 351, P 28, P 



548, U 199. 

 flavioans, 48, 231, 279. 

 incoiigrua, 97, 126. 

 obliqua, 284, 303. 

 planata, 284, 303, S 160. 

 proxima, 39, 154, 203, 226, 



231, 245, 279, 303, 



P 548, U 199. 

 pnlchra, 23, 39, 78, 97, 126, 154, 



203, 303. 

 punctata, 304, S 160. 

 rubrolineata, 22, 113, 126, O 



163, 232, 303, 351, V 



212. 

 rubrotincta, 284, 352. 

 rupiiun, 97, 126, 170, 304, 



359- 

 simplex, 163, 195; 232, 



V 212. 

 striosa, 203, 303. 

 toi-tuosa, 303. 



