A PRELIMINARY LIST OF THE MARINE MOLLUSCA OF 

 RHODE ISLAND. 



BY ERNEST W. BARNES, 



ASSISTANT SUPERINTENDENT AT THE WICKFORD LABORATORY. 



I. CEPHALOPODA. 



DIBRANCHIATA. 

 Decapoda. 



Spirilla peronii, Lamarck. 

 Loligo peallii, LeSueur. 

 Omnastrephes illecebrosa, LeSiieiir. 



IL GASTEROPODA. 

 PULMONATA. 



B ASOMMATO PHOR A . 



Alexia myosotis, Draper. 

 Melampus bidentatus, Say. 



OPISTHOBRANCHIATA. 



NUDIBRAXCHIATA. 



Aeolis papillosa, Loven. 



Dendronotus arborescens, Aid. & Hancock. 



Doto coronota, Loven. 



Potycera lessonii, D'Orbigny. 



Tergipes despectiis, Adams. 



Tectibranchiata. 



Cylichna alba, Brown. 

 Cylichna orvza, Totten. 



