VOL. 121 



16 PROCEEDINGS OF THE NATIONAL MUSEUM 



longer dorsal bristle also provided with wreaths of long l^airs ^^^J 

 middle Fovu-th joint with 2 dorsal bristles, each with wreaths of 

 Lg hah-s. and 4 long ventral bristles subdistaUy bristles bare or wi h 

 hort hai;s distaUy. Fifth joint, inferred to be inserted ventraUy 

 between 4th and 6th joints, bearing sensory bristle with broad base 

 and numerous filaments. Sixth joint with single dorsal brise 

 distally having short spines. End joint with 1 short dorsal bristle 

 wHh short spfnes, 2 slender bristles with filaments, 2 bristles with 

 filaments, and usual long, stout c- and f-bristles. .,, , , 



Second antenna (figs. 6/,^): Protopodite triangular without trans- 

 narent rim (fig. 6^). Exopodite: first joint elongate; 2nd jomt 

 about K length of 1st; 3rd joint about % length of 1st; distal margins 

 of joints 2-8 with comb of short spines; basal spmes not observed^ 

 First joint without bristle; bristle of 2nd joint about K length of 3rd 

 joint (fig. 6y), bearing short marginal spines Bristles of pmts 3-8 

 bearing natatory hairs, without marginal spines. End_ jomt w.th 4 

 stout bristles with natatory hairs and 2 short slender bristles withou 

 hairs. Endopodite (fig. 6/) 3-jointed; 1st joint with 5 bare short 

 bristles and 1 long distal bristle with wreaths of long hairs near 

 middle and short spines distaUy ; 2nd joint elongate, with 2 bristles near 

 middle, bristles provided with short spines; 3rd elongate with 1 

 proximal and 1 distal short bristle, tip with serrated ridges (tip of 

 appendage partly obsciu-ed with the result that presence or absence 

 of spine at tip could not be ascertained). _ 



Aiandible : No coxale endite observed. Basale : ventral margm with 

 4 short slender bristles and 2 long bristles with wreaths of long hairs 

 and short spines distaUy. Dorsal margin with 3 bristles. Medial 

 surface with about 5 short bristles proximaUy near ventral corner and 

 1 longer bristle near ventral margin at middle of joint. Exopodite 

 reaching middle of 1st endopodite joint, with 2 s^bequal terminal 

 bristles; tip of joint with blunt hh-sute process Endopodite: f^rst 

 joint wi^th 1 short and 3 long ventral bristles distally. Second jom of 

 anterior margin with proximal group of 3 and distal group of 5 bristles ; 

 posterior margin with 2 distal spinous bristles and 1 short annulated 

 bristle and 2 clawlike subterminal bristles. End joint with 2 large 

 subequal claws, 1 short posterior claw, and 3 annulated bristles. Medial 

 sm-face of basale and 1st and 2nd joints of endopodite provided with 



^""Maxilla: Ve'iy smaU. It seems to have a structm-e typical of the 

 genus, but because of its smaU size I have not attempted to describe 

 it fully. 



