94 



INDEX OF SPECIES. 



Plaxiphora ) 

 Placiphora * 



leluaa, U 318. 

 Plectodon 



suaber, 97, 124. 

 Pleuropus 



pellucidus, 173. 

 Pleurophyllidia 



Califoruica, 94, 133. 



liueata, 94. 

 Pleurotoma 



arcuata, 207, 208. 



aterrima, 183, 183, 271, 

 P393- 



var. Melchersi, 271. 



atrior, 36, 183, 258, 271, 



P 393, P 394. 

 bicanalifera, 183, 1S3, 271. 

 bicolor, 183. 

 bituberculifera, 330. 

 Botta;, 191, 238, 258, 



271, 294, P 392. 

 cedo-uuUi, 185, 330. 

 cincta, 187, 258, 272, 



P 295. 

 clavulus, 183, 330. 

 coUaris, 183, 271. 

 conciiina, 183, 271, S 162. 

 cornuta, 271. 

 corrugata 183, 1S3, 271. 

 discors, 36, 183, 258, 271, 



P 393, P 394. 

 dupllcata, 184, 183, 271. 

 excentrica, 184, 183, 271, 



P 393- 



exigua, 184, 271. 



funiculata, 24, 27, 109, 184, 

 208, 226, O 238, 258, 

 G 271, 282, 294, 330, 



P 390, P 391, P 544- 

 geminata, 205, 330. 

 gemmulosa, 184, 271. 

 gracilliuia, O 284, 330, S 163, 



S 164. 

 grandiniaculata, 184, 271. 

 granulosa, 183. 



Pleurotoma 



liexagoua, O 1S3. 



incrassata, 184, O 183, 238, 



O 271, 294, P 392, P 544. 

 inermis, 205. 

 luctuosa, P 397, 

 maculata, P 391. 

 maculosa, 27, 235, 238, 



258, 330, P 391. 

 maura,0 191,0258, 294, P 293. 

 militaris, 208. 

 Melchersi, 238, O 294, P 393, 



P544. 

 modesta, 187, 

 nigerrima, 184, 183, 271. 

 nitida, 183. 

 nobilis, 205. 

 obeliscus, 1S4, 271. 

 Ocoyana, 77. 

 olivacea, 184, 208, 271, 



330, P 390. 



var., 25S, P 390. 



oxytropis, 183, 330. 

 pallida, 184, O 271. 

 picta, 207, O 208, 330. 

 pudica, 330. 

 rava, P 399, 

 rigida, 184, 271. 

 rudis, 184, 272, P 393. 

 rugifera, 183. 



rustica, 36, 184, 272, P 393. 

 Schantarica, 217,0 220, 223. 

 simplex, O 217, 220, 223. 

 splendidula, 183. 

 striosa, 184, 272, 

 stromboides, 208. 

 thiarella, 272. 

 trausmontana, 77. 

 triticea, 59. 



tuberculifera, 6, 176, 330. 

 turricula, 271. 

 unicolor, 183. 

 unimaculata, 183, 330. 

 variculosa, 183. 

 Plicatula 



dubia, var., 250, P 155. 



