220 BULLETIN: MUSEUM OF COMPARATIVE ZOÜLOGY. 
Tindaria atossa Dall. 
Tindaria smirna Dall. 
Tindaria mexicana Dall. 
Tindaria virens Dall. 
Tindaria thea Dall. 
Tindaria (Tindariopsis) sulculata Gould. 
Phaseolus (Silicula) patagonicus Dall. 
Limopsidae. 
Limopsis zonalis Dall. 
Limopsis compressus Dall. 
Limopsis jousseaumei Mabille and Rochebrune, 
Limopsis diegensis Dall. 
Limopsis mabilleana Dall, 
Limopsis panamensis Dall. 
Limopsis stimpsoni Dall. 
Limopsis juarezi Dall. 
Limopsis diazi Dall. 
Arcidae. 
Arca (Bathyarca) nucleator Dall. 
Arca (Bathyarca) pompholyx Dall. 
Arca (Cucullaria) endemica Dall. 
Glycymeris multicostatus Sowerby. 
Pectinidae. 
Pecten sericeus Hinds. 
Pecten (Pallium) miser Dall. 
Pecten (Pseudamusium) liriope Dall. 
Pecten (Pseudamusium) neoceanicus Dall, 
Pecten (Pseudamusium) polyleptus Dall. 
Pecten (Pseudamusium) panamensis Dall. 
Pecten (Pseudamusium) subhyalinus Smith. 
Pecten (Pseudamusium) randolphi Dall. 
Pecten (Pseudamusium) gelatinosus Mabille and Rochebrune. 
Pecten (Cyclopecten) rotundus Dall. 
Pecten (Cyclopecten) cocosensis Dall. 
Pecten (Propeamusium) meridionalis Smith. 
Pecten (Propeamusium) malpelonius Dall. 
Limidae. 
Lima (Acesta) patagonica Dall. 
Lima (Acesta) agassizii Dall. 
Lima (Acesta) diomedae Dall. 
Lima (Limatula) falklandica A, Adams, 
