218 bulletin: museum of comparative zoology. 



Fissurellidae. 



Puncturella (Cranopsis) expansa DaU. 

 Puncturella falklandica A. Adams. 

 Zeidora flabellum DaU. 



ISOPLEURA. 

 POLYPLACOPHORA. 



Lep idople uridae. 



Lepidopleurus lialistreptus DaU. 

 Lepidopleurus luridus DaU. 

 Lepidopleurus opacus DaU. 

 Lepidopleurus inconfrruus DaU. 

 Lepidopleurus farallonis DaU. 



Mopaliidae. 

 Placiphorella blainvillei Broderip. 



SCAPHOPODA. 



Dentaliidae. 



Dentaliura aequatorium Pilsbry and Sharp. 



Dentaliuin megatiiyris DaU. 



Dentalium ceras Watson. 



Dentaliuin peruvianum DaU. 



Dentalium agassizii Pilsbry and Sharp. 



Dentalium brevicornu Pilsbry and Sharp. 



Dentalium dalli Pilsbry and Sharp. 



Cadulus striatus DaU. 



Cadulus albiconiatus DaU. 



Cadulus californicus Pilsbry and Sharp. 



Cadulus jilatystoma Pilsbry and Siiarp. 



Cadulus peruvianas DaU. 



Cadulus panatneiisis Pilsbry and Sliarp. 



Cadulus (Polyschides) dalli Pilsbry and Sharp. 



PELECYPODA. 



Solenomyacidae. 



Solemya (Achnrax) n^^assizii Dnii. 

 Sulemya (Aeiiurax) patagunica Smith. 



