55 PILSBRY AND VANATTA 



Trivia galapagensis Mel v., Galapagos, locality unspecified. 

 Trivia pacifica Gray, Galapagos, locality unspecified. 



Family Cassididae. 

 Cassis tenuis Gray, Iguana Cove, Albemarle ; Narboro. 

 Lambidium tuberculosum Sowb., between Tagus Cove and Narboro. 



Family Aquillidae. 



Aquillus lineatus Brod., Tagus Cove, Albemarle. 

 Aquillus vestitus Hinds., Tagus Cove, Albemarle. 



Family Coralliophilidae. 



Coralliophila calif ornica A. Ad., Tagus Cove, Albemarle. 

 Coralliophila callaoensis Gray, Tagus and Iguana Coves, Albemarle. 



Family Muricidae. 



Monoceros grande Gray, east side of Narboro ; Tagus and Iguana 

 Coves and Point Christopher, Albemarle. 



Purpura columellaris Lam., Iguana Cove and Point Christopher, 

 Albemarle ; Culpepper. 



Purpura melones Duel., Iguana Cove, Albemarle; Wenman; Cul- 

 pepper; Narboro. 



Purpura patula L., Tagus and Iguana Coves and Point Christo- 

 pher, Albemarle ; Culpepper ; Wenman. 



Purpura planospira L., Iguana Cove, Albemarle; Culpepper; 

 Wenman. 



Murex dipsacus Brod., Tagus Cove, Albemarle. 



Murex princeps Brod., Iguana Cove and Point Christopher, Albe- 

 marle ; Narboro. 



Family Columbellidae.' 

 Columbella atramentaria Sow^b., Iguana Cove, Albemarle. 

 Columbella castanea Sowb., Iguana and Tagus Coves, Albemarle; 

 Narboro. 



Columbella cribraria Lam., Iguana Cove, Albemarle; Narboro. 

 Columbella fuscata Sowb., Iguana Cove, Albemarle; Narboro. 

 Columbella haemastoma Sowb., Iguana Cove, Albemarle. 

 Columbella lanceolata Sowb., Tagus Cove, Albemarle. 



Family Nassidae. 

 Nassa angulifera A. Ad., Tagus Cove, Albemarle; Narboro. 



