SUBTERRANEAN AMPHIPOD STYGONECTES 



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Figure IS.—Stygonedes clantoni (Creaser). Male (15.75 mm), well at Harrisonville, Mo.: 

 a, coxal plate of pereopod 3; h-e, pereopods 4,5,6,7;/, uropod 3; g, pleopod 1; h, telson; 

 i,j, gnathopods 1,2; k,l, antennae 1,2; OT,n, uropods 1,2; o, abdominal side plates. 

 Female (14.50 mm); same locality: p, maxilliped; q, maxilla 2; r,/, left and right man- 

 dibles; t, lower lip; u, maxilla 1. 



