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U.S. NATIONAL MUSEUM BULLETIN 25 8 



Figure 44. — Fresnillo fimbriatus, new genus, new species, holotype, ?sex, 1.2 mm., station 

 38-F-l: a, b, gnathopod 2; c, enlargement of article 6 of gnathopod 2 showing one tassel- 

 seta, medial glandular tissue and terminal ornamentation (article 7 is absent); d, e,f, g, h, 

 pereopods 1, 2, 3, 4, 5; i, j, uropod 1, 2; k, I, dorsal and lateral views of uropod 3 and 

 telson. 



ramal vestige; antenna 2 with peduncular article 3 produced medial 

 to article 4; flagella of both antennal pairs with 4 articles. 



Holotype.— AHF No. 612, ?sex, 1.2 mm. 



Type locality. — Barnard station 38-F-l, Cayucos, California, 

 wash of Amaroucium sp., underside of cavern, July 1, 1961. 



Material.^ — carmel: Phyllospadix-pelx etiid grid, rare, cayucos: 

 Phyllospadix-pelvetiid grid, rare (3 per sq. m.); buried cobbles, 

 rare; soft polychaete tubes, rare; sponge, rare; Amaroucium sp. 

 scarce. 



Distribution.^ — Carmel and Cayucos, California. 



