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U.S. NATIONAL MUSEUM BULLETIN 260 



Figure 10. — Urothoides inops, new species, holotype, female, 2.8 mm, 7230: a, maxilliped; 

 b, maxilla 2; c, lower lip; d,e, mandibles; /, labrum, anterior aspect; g, maxilla 1; h-^, 

 uropods 1,2,3; k, pleonites 1-3, right to left. 



Isaeidae 



Photis Kroyer 

 Cedrophotis, new subgenus 



Diagnosis. — Photis with inner ramus of nropod 3 half as long as 

 outer ramus, outer ramus uniarticulate ; upper lip with deep incision ; 

 inner lobes of lower lip partially fused. 



Type-species. — Photis (Cedrophotls) Tnalinalco, new species. 



