88 



U.S. NATIONAL MUSEUM BULLETIN 2 59 



Figure 21. — Stygonedes barri, new species. Male (11.25 mm), seep, 0.5 mile E. of Green- 

 ville, Mo.: a,b, gnathopods 1,2; c, telson; d, uropod 3; e,f, uropods 1,2; g, coxal plate of 

 perepood 3; h-j, pereopods 5,6,7; k, abdominal side plates; l,m, antennae 1,2. Female 

 (8.25 mm), same locality: n, uropod 3; o, telson; p, pereopod 4; q,r, gnathopods 1,2. 



