AMPHIPODS FROM NORTH AMERICAN WEST COAST — SHOEMAKER 419 





Figure 12. — Uschakoviella echinophora Gurjanova, female: a, entire animal; h, rlglit man- 

 dible, inside view; c, mandible, showing side view of molar; d, maxilla 1; e, maxilla 2; 

 /, maxilliped; g, left half of lower lip; h, end of gnathopod 2; i, end of pereopod 1; ;, lower 

 end of coxal plate 3 ; k, uropod 3 ; /, telson. 



appendages. All body segments and coxal plates densely clothed with 

 long, slender spines. Second joints of pereopods 3-5 bear long spines 

 on posterior margins. 



Pleon segments 1-3 each bearing prominent backward-inclined 

 dorsal spine or tooth in addition to regular spines. Urosome segment 

 1 bearing sharp dorsal tooth directed slightly forward. Largest 



