18 BULLETIN OF THE 



Genus TROPHON Montfort. 



Subgenus BOREOTROPHON Fischer. 



Boreotrophon Dalli Kobelt.* 



Boreotrophon (aculeatus Watson var.?) lacunella DalL 



Boreotrophon ? actinophorus DalL 



Subgenus ASPELLA Morch. 



Aspella anceps Lamarck.* 



Aspella hastula Reeve.* 



Aspella scalarioides Blainville.* 



Aspella scalarioides var. oheliscus A. Adams.* 



Aspella scalarioides var. pauperculus C. B. Adams.* 



Genus OCINEBRA Leach. 

 Subgenus FAVARTIA Fischer. 

 Pavartia cellulosa Conrad. 

 Favartia levicula DalL* 

 Favartia intermedia C. B. Adams.* 



Genus MURICIDEA (Swainson) Morch. 



Muricidea hexagona Lamarck. 

 Muricidea floridana Conrad.* 

 Muricidea multangula Philippi.* 

 Muricidea Philippiana Dall.* 



Genus UROSALPINX Stimpson. 



Urosalpinx cinereus Say.* 

 Urosalpinx tampaensis Conrad.* 

 Urosalpinx perrugatus Conrad.* 

 Urosalpinx ? carolinensis Verrill.* 

 Urosalpinx ? macra Verrill.* 



Genus TYPHIS Montfort. 



Section TYPHIS s. s. 

 Typhis floridanus DalL* 



Section TRUBATSA DalL 

 Typhis longicornis Dall. 



Subfamily PURPURIN^. 



Genus SISTRUM Montfort. 



Subgenus SISTRUM s. s. 

 Sistrum ferrugineum Reeve var. ruhidum Dall.* 



