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. !, lat. -08, div. 32. 



Hab. Sta. Barbara (Jewett). 



The unique specimen is like a minute edition of Siphonalia 

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

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

 19 289 



