134 HERTLEIN AND STRONG 



Trivia maugeriae (Gray in Sowerby) 

 Locality: Albemarle Island, Loc. 27221 (C.A.S.)> 5 specimens. 



Trivia pacifica (Gray in Sowerby) 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 15 specimens; 

 Chatham Island, Loc. 27227 (C.A.S.), 1 specimen. 



Erato marginata galapagensis (Schilder) 

 Hespererato galapagensis Schilder, Proc. Malacol. Soc. London, Vol. 

 20, Pt. 5, p. 264, fig. 46 (p. 281), July, 1933. "Type from Albemarle 

 Island, Galapagos." 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 67 specimens; 

 Indefatigable Island, Loc. 27232 (C.A.S.), 11 specimens. 



Family Strombidae 



Strombus granulatus Swainson 

 Locality: Albemarle Island, Loc. 27221 (C.A.S.), 1 specimen. 



Family Cassididae 



Cassis (Cypraecassis) tenuis Wood 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 4 specimens; 

 Charles Island, Loc. 27233 (C.A.S.), 1 specimen. 



Morum tuberculosum (Sowerby in Reeve) 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 1 specimen; 

 Chatham Island, Loc. 27227 (C.A.S.), 1 specimen; Charles Island, Loc. 

 27238 (C.A.S.), 2 specimens. 



Family Tonnidae 



Malea ring ens (Swainson) 

 Locality: Charles Island, Loc. 27233 (C.A.S.), 2 specimens. 



Family Cymatiidae 



Cymatium costatum (Born) 

 Plate A, Fig. 17 

 Locality: South Seymour Island, Loc. 27255A (C.A.S.), 2 specimens. 



