INDEX OF SPECIES. 



69 



Mactra 



maxima, 192. 



mendica, 227, P 549, U 200. 



modesta, 152. 



nasuta, 211, 232,0 304, 



O352. 

 Nuttallii, 194. 

 oblonga, 246, P 51. 

 ovalina, 246, P 51. 

 ovalis, O 219, 221, 223, 



304. 

 pallida, 175, 304. 

 planulata, 25, 196, 304, 



349, V 214. 

 ponderosa, 221. 

 similis, 178, 192, 221. 

 stultorum, P 531. 

 subglobosa, 175. 

 undulata, U 200. 

 velata, 204,0 280, 295, 304. 

 Mactrella 

 alata, 154. 

 exoleta, 29, 126, 204. 

 carinata, 154. 

 lacinata, 284, S i6r. 

 Maera 



Gouldii, 301. 

 salmonea, 113, 125, 235. 

 Malea 



crassilabris, 171,0 178, 238, 



269. 

 latilabris, 171, 23S, 269, 



292, 337. 

 riiigens, 24, 34, 80, no, 152, 

 153, 166, 179, 171,0 238, 

 O 282, 288, 337. 

 ringens, var. 238. 

 Mamma 



uberina, P 452. 

 Maugelia 



acuticostata, 36, 184, 284, 



332, P 401, S 162. 

 acuticostata, var. subangulata, 



259, P 400. 

 albolaqueata, 273. 

 angulata, 23, 89, 144, 284. 



Mangelia 



altenuata, 144. 



cerea, 24, 294. 



conciiina, 332. 



crebricostata, 114, 144, 242. 



exigua, 184. 



gemmulosa, 184. 



baraata, 24, 293, 294. 



iiiterfossa, 114, 144, 242. 



levideusis, 89, 144. 



neglecta, 36, 184, 272, 332, 



P 401, S 163, 

 plumbea, 332. 

 pulchella, 24. 

 rigida, S 163. 

 var. fuscoligata, O 284, 



S 163, S 164. 

 septangiilaris, 144 

 striosa, 284, S 163. 

 subdiaphana, 24, 104, 154, 218. 

 sulcata, 34, 259. 

 sulcosa, 185, 272, 332. 

 tabulata, 114, 144, 242. 

 variegata, 23, 144, 284. 

 (?variegala, var.) nitens, 144, 



284. 

 Margarita 



acuminata, 47. 



acuticostata, 98, 139. 



albula, 73. 



arctica, 19, 73, 322, 216, 



220, 223, 321. 

 argeutata, 71. 

 calostoma, 18, 40, 139, 286, 



O321. 

 cidaris, 113, 139, 238. 

 var. conica, 139. 

 costellata, 18, 40, 47, 92. 

 GrcBulandica, 216. 

 helicina, 71, 113, 139, 169, 



216. 

 Hillii, 28, 240. 

 iantliina, 73. 

 inflata, 89, 139. 

 lirulata, 82, 139. 

 musteliua, 73. 



