12 BULLETIN OF THE 



Family CANCELLARIID^. 

 Genus CANCELLARIA Lamarck. 



Subgenus CANCELLARIA s. s. 



Cancellaria reticulata Linne. 

 Cancellaria venusta Tuoraey & Holmes.* 



Subgenus TRIGONOSTOMA Blainville. 



Trigonostoma tenera Philippi.* 

 Trigonostoma Smithii Dall.* 

 Trigonostoma Agassizii Dull.* 

 Trigonostoma? microscopica Dall.* 



Genus BENTHOBIA Dall. 

 Benthobia Tryoni Dall.* 



Super-Family RHACHIGLOSSA. 



Family OLIVID^. 



Genus OLIVA Brugi^ike. 



Oliva reticularis Lamarck. 

 Oliva literata Lamarck. 



Genus OLIVELLA Swainson. 



Olivella mutica Say. 



Olivella fuscocincta Dall. 



Olivella jaspidea Gmelin. 



Olivella jaspidea var. rotunda Dall. 



Olivella buUula Reeve. 



Olivella (bullula var. ?) tubulata DalL 



Family MARGINELLID^. 



Genus MARGINELLA Lamarck. 



Marginella apicina Menke. 

 Marginella Watsoni Dall. 

 Marginella amabilis Redfield. 

 Marginella rostrata Redfield. 

 Marginella cassis Dall. 



