12(3 



BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



.short sensitive hairs, and has the first article two and a half times 

 longer than the three other articles taken together. 



The second pair of antenna? extend a little beyond the thorax; the 

 last article of the peduncle is more than twice as long as the penulti- 

 mate article; the flagellum is composed of about twentj' to twent}"- 

 four articles, with the exterior articles for the greater part long 

 and without apical hairs. The clypeus occupies all the area )>etween 



the mandibular palps and 

 is produced in a long 

 tubercle. The first seg- 

 ments of the thorax are 

 ornamented in the mid- 

 dle transverse line with 

 short and deep furrows; 

 the four posterior seg- 

 ments are ornamented 

 with long transverse fur- 

 rows. 



All the epimera have 

 the posterior angle pro- 

 duced in an acute, coni- 

 cal process, those of the 

 sixth segment being the 

 longest of all, those of 

 the seventh segment be- 

 ing the shortest of all. 



The first three pairs 

 of legs are almost as 

 in E. elegantula., fur- 

 nished, however, with 

 more hairs. The last 

 three pairs of legs are 

 a very little shorter and 



Fig. 109.— Evrydice .spinigf.r.\ (After H.^nsen). a. Lateral ^yifjpj- than in K eJeOiOl- 



VIEW OF ADULT MALE, ll, ANTERIOR PART OF HEAD (FROM BE- ' 



LOW). 0, Left pleopod of second pair. d. First antenna, tilul ,' they arC, llOWCVer, 

 e, Posterior PART OF ABDOMEN. /, Leg of fifth pair. </, Leg fnrnished with morc 

 of seventh pair. /*, Leg of second pair. (Enlarged.) i . -m i • 



hairs, ihe .seventh pair 

 of legs have the third to the sixth articles furnished on the inferior 

 side toward the inner margin with many short spines, and are orna- 

 mented toward the exterior margin with many hairs; the fifth article 

 is a very little shorter than the sixth, and much longer than the fourth; 

 the fourth article is a little longer than wide. 



The last segment of the abdomen is furnished at the base with a 

 short and deep median depression and on either side with a deep and 

 rather large lateral excavation; the median depression is bicarinated 

 in the l)ottom; the posterior margin is a little more than a third part 



