12 BULLETIN OF THE 



Family CANCELLARIID.E. 

 Genus CANCELLARIA Lamarck. 



Subgenus CANCELLARIA s. s. 



Cancellaria reticulata Linne. 

 Cancellaria venusta Tuomey & Holmes.* 



Subgenus TRIGONOSTOMA Blainville. 



Trigonostoma tenera Pbilippi.* 

 Trigonostoma Smithii DalL* 

 Trigonostoma Agassizii Dall.* 

 Trigonostoma? microscopica Dall.* 



Genus BENTHOBIA Dall. 

 Benthobia Tryoni Dall.* 



Super-Family RHACHIGLOSSA. 



Family OLIVINE. 



Genus OLIVA Brugi£re. 



Oliva reticularis Lamarck. 

 Oliva literata Lamarck. 



Genus OLIVELLA Swainson. 



Olivella mutica Say. 



Olivella fuscocincta Dall. 



Olivella jaspidea Gmelin. 



Olivella jaspidea var. rotunda Dall. 



Olivella bullula Reeve. 



Olivella (bullula var. ?) tubulata Dall. 



Family MARGINELLID^E. 



Genus MARGINELLA Lamarck. 



Marginella apicina Menke. 

 Marginella Watsoni Dall. 

 Marginella amabilis Red field. 

 Marginella rostrata Redfield. 

 Marginella cassis Dall. 



