MARINE MOLLUSKS OF THE GALAPAGOS 131 



specimens; Tower Island, Loc. 27231 (C.A.S.), about 100 specimens. 



Family Muricidae 

 Murex {Muricanthus) princeps Broderip 

 Locality: Charles Island, Loc. 27238 (C.A.S.), 1 specimen. 



Ocenebra parva (E. A. Smith) 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 34 specimens; 

 Indefatigable Island, Loc. 27232 (C.A.S.), 3 specimens. 



Family Thaididae 



Thais callaoensis (Gray) 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 2 specimens; 

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



Thais columellaris (Lamarck) 



Locahties: Chatham Island, Loc. 27227 (C.A.S.), 2 specimens; 

 Tower Island, Loc. 27231 (C.A.S.), 4 specimens. 



Thais (Vasula) melones (Duclos) 



Localities: Indefatigable Island, Loc. 27232 (C.A.S.), 1 specimen; 

 Tower Island, Loc. 27231 (C.A.S.), 3 specimens; Charles Island, Loc. 

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



Thais patula pansa (Gould) 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 3 specimens; 

 Tower Island, Loc. 27231 (C.A.S.), 2 specimens; Charles Island, Loc. 

 27233 (C.A.S.), 1 specimen and Loc. 27238 (C.A.S.), 1 specimen. 



Thais planospira (Lamarck) 

 Locality: Tower Island, Loc. 27231 (C.A.S.), 3 specimens. 



Thais speciosa (Valenciennes) 

 Purpura speciosa Valenciennes in Humboldt & Bonpland, Rec. 

 d'Obser. Zool., Vol. 2, p. 316, 1832. [Publication noticed by Duclos in 

 Ann. Sci. Nat., Vol. 26, No. 101, p. 109, May, 1832.] "Habitat prope 



