GAMMARIDEAN AjMPHIPODA 



25 



Relationship. — The diagnosis distinguishes U. inops specifically 

 from U. lachneessa. The latter has nonidentical gnathopods, gnath- 

 opod 2 having a slender article 6 with short nearly transverse palm and 

 no posterodistal lobe on article 5. The coxae are all rounded postero- 



FiGURE 9. — Urothoides inops, new species, holotype, female, 2.8 mm, 7230: a-f, coxae 

 1,2,3,4,5,6, right aspects; g, coxa 7, left aspect; h,i, antennae 1,2; j,k, gnathopods 1,2; 

 /, pereopod 1; m, telson. 



ventrally. Article 6 of pereopod 3 is subequal to article 5, article 2 of 

 pereopod 4 is narrower and less extended ventrally than in U. mops. 

 Article 2 of pereopod 5 seems to be narrower and the stenopodous por- 

 tion shorter than in U. inops. Pleonal epimeron 3 is rounded 

 posteroventrally. 



