274 



U.S. NATIONAL MUSEUM BULLETIN 236 



Figure 110. — Leptomesochra pygmaea, new species, loc. 592, ad. 9, holotype: a, whole 

 animal, dorsal view; b, same animal, lateral view from right side. (X 310.) 



4i]i times as long as broad. Small subapical seta at internal margin, 

 rest of internal margin set with widely spaced hairs. 2nd endopodal 

 segment small, with fine internal seta. 3rd endopodal segment V/2 

 times as long as 2nd, twice as long as wide, with 2 miequal, cm^ved, 

 setiform spines and a fine seta. Exopodal segments of equal length, 

 2nd without internal seta, 1st and 2nd with external marginal spine. 

 3rd exopodal segment with total of 5 appendages. 



