22 



844 Kennerlia filosa Carpenter. 



845 Kennerlia grandis Dall. 



1647 Labiosa anatina Spengler. 1802. West Mexico. 



846 Labiosa nndulata Gould. 136 



847 Lacuna glacialis Muller. 



848 Lacuna porrecta Carpenter. 

 429 Lacuna solidula Loven. 

 204 Lacuna unifasciata Cpr 



471 Lacuna unifasciata aurantiaca Carpenter. 

 203 Lacuna variegata Cpr 



849 Lacuna vincta Montagu. 



2500 Laila 



2501 Laila Cockerelli 

 184 Lamellaria diegoensis 



423 Lamellaria stearnsiana Dall. 

 1947 Lanx patelloidea Lea. 



543 Laqueus californicus Koch. 



544 Variety Vancouveriensis Davidson. 

 542 Laqueus jeffreysi Dall. 



2677 Laqueus Morsei 



314 Lasea rubra Mont 



2276 Latirus ceratus Wood. 



2350 Latirus lugubris C. B. Adams. 



381 Lazaria subquadrata Carpenter 



850 Leda acuta Conrad. 

 317 Leda ca lata Hds 

 2525 Leda amblia 



851 Leda cuneata? Sowerby. 

 652 Leda fossa Baird. 



1705 Leda taphria Dall. 



1694 Leda cellulita Dall. 



1695 Leda leonina Dall. 



1696 Leda conceptionis Dall. 



1697 Leda pontonia Dall. 



384 Leda hamata Carpenter 1446 853 



854 Leda minuta 0. Fabricius. 



3045 Lepeta caecoides Carp. 



1267 Lepidopleurus cancellatus Sby. 



2446 Lepidopleurus crebriscostatus Cpr. 

 1443 Lepidopleurus farallonis Dall. 



1441 Lepidopleurus halistreptus Dall. 



1442 Lepidopleurus luridus Dall. 



2447 Lepidopleurus Mertensi Midd. 

 1440 Lepidopleurus mesogonus Dall. 



2760 Lepidopleurus nexus Cpr. 2888 



2761 Lepidopleurus Oldroydi Bartsch. 

 1665 Lepidopleurus percrassus 



2887 Lepidopleurus rugatus Cpr. 



855 Leptochiton cancellatus Sowerby. 

 3042 Leptochiton internexus Carp. 



2448 Leptochiton nexus Cpr. 



856 Leptochiton punctatus Whiteaves. 



857 Leptolimnea kirtlandiana Lea. 



858 Lepton dionreuni Carpenter. 



859 Lepton mero&um Carpenter. 



860 Lepton rude Dall. 



1336 Lepton umbonatum Cpr., 1857. Mazatlan. 

 SJ055 Leptogyra alaskana 



230 Leptothyra bacula Cpr 



3046 Leptothyra carpenteriana Pilsbry. 



