no. 1654. AMPHIPODA FROM WEST XORTH AMERICA— HOLMES. 519 



middle of the second joint of the palp, the inner margin armed with 

 eight curved spines which increase rapidly in length toward the distal 

 end. 



Fig. 2(5. — Haploops tubicola. aba, third segment of the abdomen ; gn. u first gnatho- 

 pod ; gn 2 , second gnathopod ; p lf first per^eopod ; p it fourth per.eopod ; p 5 , fifth 

 per.eopod ; t, telson ; ur a , third uropod. 



Gnathopods similar in shape, the second slightly the larger, the 

 hands rather narrower than in oculatus, and not widened distally. 

 The side plate of the first pair bears about eighteen plumose setse in 



