SUBTERRANEAN AlVCPHIPOD STYGONECTES 



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Figure IS. — Stygonedes allegheniensis, new species. Male (10.50 mm), Greggorys Cave, 

 N.Y.: a,h, gnathopod? 1,2; c, coxal plate of pereopod 3; d-f, pereopods 4,5,7; g, abdom- 

 inal side plates; h,i, antennae 1,2; j, uropod 3; k,l, uropods 1,2; m, telson. Female 

 (11.25 mm), same locality: n,o, gnathopods 1,2; p, telson; q, antenna 2; r, antenna 1; 

 s-u, uropods 1,2,3; v, abdominal side plates. Male (9.75 mm), John Friends Cave, 

 Md. : w, telson. Male (10.00 mm), small pool 1 mile W of Rock Hill, Pa : x,y, gnathopods 

 1,2; z, pereopod 7. 



