GAMMARIDEAN AMPHIPODA 51 



cially by the completely siibchelate gnathopod 1. K. H. Barnard 

 (1032, p. 45) stated that only 7 vspines occur on the outer plate of max- 

 illa 1 of the type-species, A. georgiensis, whereas 10 (6 large and 4 

 small) occur on tlie specimen at hand. 



Anonyx Kroyer 



Anonyx carinatus (Holmes) 



Lalwta carinafa Holmes, 1008, pp. 408-500, fig. 0.— Thorsteinsou, 1041, p. 56, pi. 



2, figs. 16, 17.— Ciurjanova, 1062, pp. 302-303, fig. 100. 

 Anonijx carinatus.— Hurley, 1063, pp. 103-108, figs. 32-34. 



Material.— USNM Ace. No. 247045, Santa Monica Bay, Calif., 

 hagfish trap, 1S3 m ( 1 ) . 



Distribution. — Gulf of Alaska (from halibut stomach) to border 

 between California and Mexico, known depth in southern California, 

 15-205 in, rare in depths shallower than 70 m. 



Arislias Boeck 



Aristias expers, new species 



Figure 21 



Diagnosis. — Eyes absent; lateral cephalic lobes quadrate, apically 

 rounded; epistome and upper lip separated by deep sinus, both pro- 

 jecting equally forward; flagellum of antenna 1 with 5 articles, acces- 

 sory flagellum with 3 articles; palp article 3 of mandible shorter than 

 article 2, poorly setose and crescentic; outer plate of maxilliped ex- 

 ceeding palp article 3 ; gnathopod 1 stout, with small spinose protuber- 

 ance on palmar margin ; articles 5 and G of gnathopod 2 short in com- 

 parison to A. neglectus Hansen; pereopods poorly spinose, article 2 of 

 pereopod 5 with parallel margins, articles 3-7 together equaling length 

 of article 2 ; pleonal epimera with convex posterior margins, postero- 

 ventral corners rounded-quadrate; urosomite 1 slightly convex dor- 

 sally, urosomite 3 large, bearing short dorsolateral ridges partially 

 hiding telson from lateral view; each ramus of uropod 1 with one 

 deeply set spine, inner ranuis with additional marginal spine; each 

 ramus of uropod 2 with enlarged marginal spine inserted in large 

 notch, inner ramus with additional marginal spine; inner ramus of 

 uropod 3 as long as outer ramus, rami not spinose; telson short, cleft 

 one third of its length, each lobe with two apical setules. 



IIoLOTYrE. — AIIF No. 6119, male, 5.0 mm. Unique. 



Type-locality.— Station 7231, 27°24'00" N, 115°12'15'' W, 2398- 

 2475 m, Jan. 1,19G1. 



E-ELATiONSiiir. — This species differs from all others in the genus by 

 the very short cleft of the telson. Four other blind species have been 



