from the West Coast of North America. 11 



crebris spiralibus, costas superantibus ; apertura pyriformi, in 

 canalem brevem apertum contortum producta ; labro acuto ; la- 

 bio baud conspicuo ; columella canalem versus valde contorta. 

 Long. -17, long. spir. -1, lat. -08, div. 32°. 



Hob. Sta. Barbara {Jewett). 



The unique specimen is like a minute edition of Siphonalia 

 Kellettii, but does not accord witb the young of that or of any- 

 other species known in the region. It is probably not mature. 

 19 289 



