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U.S. NATIONAL MUSEUM BULLETIN 25 8 



Figure 26. — Allorchestes anceps, new species, holotype, male, 8.0 mm., station 42-T-5: 

 a,b,c,d, pereopods 2, 3, 4, 5; e,f,g,h, uropods 1, 2, 3, 3; i, telson. 



one large inner seta and having inner edge of dactyl minutely castel- 

 late; article 5 of pereopods 1-5 much shorter than article 6; article 

 2 of pereopod 5 nearly circular, not strongly contrasted from second 

 articles of pereopods 3-4; all pereopods with simple, well developed 

 distal spine on article 6; pleonal epimeron 2 slightly protruding at 

 postero ventral corner, but subquadrate; pleonal epimeron 3 slightly 

 convex posteriorly, minutely notched, posteroventral corner sub- 

 quadrate; uropods 1-3 short, stout, mediodistal spine of uropod 1 

 peduncle scarcely enlarged, peduncle of uropod 3 with 2 spines; 



