54 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL.18 



figures and description of Dahl and the present material may be enu- 

 merated: (1) antenna 1 is almost as long as 2 in the male of B. 

 japonicus; (2) coxae 1 and 2 are different in shape; (3) the posterior 

 edge of pleon segment 3 is somewhat different in shape; (4) the spinu- 

 lation of the inner ramus is stronger than in Byblis japonicus. 



Distribution : Widely distributed in the Channel Islands and along 

 the coast of southern California, 15 to 228 fms. Also known from Sul- 

 phur Bay, Clarion Island, 5 fms, and in the Gulf of California, off 

 San Gabriel Bay, Espiritu Santo Island, 21 fms. 



