ISOPOBS OF NORTH AMERICA. 



119 



on either side of the upex for .some distance is denticulate. The inner 

 branch of tiie uropoda is a very liltic lonocr than tlie terminal abdomi- 

 nal seo-nient. It is posteriorly \erv acutely produced with an eniar- 

 gination in the exterior margin near tlie apex. Both inner and outer 

 margins are denticulate, the four teeth within the emargination being- 

 very mucli larger than the others. There is also a large tooth on the 

 inner margin close to the apex of the branch, giving the extremity a 

 ])identate appearance. The outer branch is half as wide as the inner 

 l)ranch, is somewhat shorter, not extending beyond the emargination 

 in the outer margin of the inner branch, has the extremit}^ acutel}^ 

 produced and bidentate, and has both margins denticulate. The pedun- 



t=^ 



Fm. 102.— CONILERA CYLINDRACEA (AFTER HANSEN), a, ADULT FEMALE. 6, SECOND LEG. C, FIFTH 



LEG. d, Seventh leg. (Enlarged.) 



cle has the inner angle produced and it extends two-thirds the length 

 of the terminal abdominal segment. 



The tirst three pairs of legs are prehensile, the last four pairs ambu- 

 latory. In the first three pairs the propodus is armed with three 

 spines, the carpus with one large spine and one small spine in the first 

 pair or two smaller ones in the second and third pairs; the merus with 

 five or six l)lunt ones on the iiuier margin and one long one at the 

 outer distal extremity; the ischium is armed with one spine in the 

 .second and third pairs. 



The two specimens from North America in the collection of the 

 U, S. National Museum are small, measuring 'Ih mm. : 10^ mm. 



The descrii)tion is from a specimen obtained from the Naples 

 Zoological Station. 



