INDEX OF SPECIES. 



67 



Lucina 



pectiuata, 23, 102, 128, 154, 



248, O 308, 364, P 98. 

 pisum, 60. 

 prolongata, 248, 308, P 



100. 

 punctata, 47, i74( '87, 



232, 248, 307,0 351, 



352, P 96, P 97.; 

 reticulata, P 99. 

 scabra, 9. 



semireticulata, 248, P 102. 

 serricata, P 104. 

 squamosa, P 99. 

 telllnoides, 201, 279. 

 tenuisculpta, 88, 97, 128. 

 tigerina, 63, 153, 243, 248, 



282, 308, 350, 363, 



P 96, P 97. 

 undata, 272. 

 unifasciata, U 205. 

 Lucinopsis 



subquadrata, P 62. 

 ■ undata, Q 231. 

 Lunatia 



algida, 17, 336, 348. 



apeita, 71. 



Bonplandi, 337. 



caurina, 9, 147, 336, 348. 



flava, 336. 



Gallapagosa, 337, O 360. 



lierculaea, 17, 147, 336, 



348. 

 heros, 168. 

 impervla, 336. 

 Lewisii, 17, 23, 25, 82, loi, i4j, 



168, 336. 

 lurida, 337. 

 Otis, O 337, 360. 

 pallida, 71, 147, 169. 

 pallidoides, 71. 

 ravida, 60. • 



septentrionalis, 71. 

 soluta, 9, 147. 

 tenuilirata, 214, 261, 337, 



P451. 



Liiponia 



albuginosa, 27, 32, 109. 

 iitubriolata, 154. 

 iiigropuuctata, 328, 360, 

 semipolita, 154. 

 Sovverbyi, 27, 109. 

 spadicea, 9, 23, 143. 

 spurca, 32, 328. 

 Lutraria 



canaliculata, 211. 



capax, II, 86, 209, 213, 



219. 

 carinata, 211. 

 elegans, 204, 280. 

 inflata, 296. 

 lineata, 61. 

 maxima, 11, 17, 86, 192, 



209, 219, 224, 300. 

 nasuta, 232. 

 Nuttallii, 61, 69. 

 papyria, 81. 

 trausmontana. Si. 

 Traskei, 76. 

 undulata, 211, 227, 232, 



280, U 200. 

 veiitricosa, 29, 211, 227, 



232, 246, P 51, P 548, U 



200. 

 Lutricola 



alta, 22, 80, 81, 125, 301. 

 Dombeyi, 40, 301. 

 ephippium, 301. 

 viridotincta, 105. 

 Lymnaea. See Limnea. 

 Lyonsia 



arenosa, 73. 

 bracteata, 124, 300. 

 Californica, 22, 26, 124, 167, 



194, 226, 300, 349, 



O351. U 199, V 211. 

 cuneata, Q, 229. 

 diaphana, 40, 2S4, 287, 



301, Q 228. 

 flabellata, 73. 

 Floridana, 119, 124, 169. 

 gibbosa, 222. 



