NO. IO MOLLUSKS BARTSCH AND REHDER 17 



Peasiclla rooscvclti, new species 



Hipponix barbata Sowerby 



Cheilea corrugata ccpacea Broderip 



Mclina quadrangularis Reeve 



Brachidontcs multiformis hoiistonius, new subspecies 



Septifcr cumingianus Dunker 



Barbatia reeveana d'Orbigny 



Narborough Island, Galapagos Islands. 



Collections were made along the shore, July 25, 1938. 



Nitidclla guttata baileyi, new subspecies 

 Cohimbclla fuscata Sowerby 

 Colwmbella castanca Sowerby 

 Cerithiwm adustuni Kiener 



Albemarle Island, Galapagos Islands. 



Shells taken from the anchor chain in Tagus Cove, in 50 fathoms, 

 July 26, 1938. 



Fusinus dupctitthouarsi Kiener (young) 



Albemarle Island, Galapagos Islands. 



Collections were made in Elizabeth Bay at the south end of the black 

 beach, north of the mangroves, north of the two "red" islands, July 

 26, 1938. 



Onchidclla steindachncri Semper 



Bulla sp. (broken) 



Cohimbclla castanca Sowerby 



Nitidclla guttata baileyi, new subspecies 



Purpura columcllaris Lamarck 



Purpura patula Linne 



Tcgula (Omphalitis) cooksoni E. A. Smith 



Tcgula (Chlorostoma) snodgrassi Pilsbry and Vanatta 



Tcgula (Chlorostoma) barkeri, new species 



Chiton (Radsia) sidcatus Wood 



Charles Island, Galapagos Islands. 



The specimens were collected by the crew along the shore of Post 

 Office Bay, July 27, 1938. 



Bulimnlus (Naesiotus) ustulatus Sowerby 



Bttlimulus (Naesiotus) mix Broderip 



Conus diademu Sowerby 



Conus purpurascens Broderip 



Purpura patula Linne 



Chiton (Radsia) goodallii Broderip 



