2504 Bulletin //, United States A^ational Museum. 



posterior rays longest, about 3f in head, base of each scaled ; distance from 

 tip of snout to origin of dorsal about 3 in length of body; origin of anal 

 under about twenty-second dorsal ray, equidistant between tip of snout and 

 base of caudal ; scales very small, embedded, but showing distinctly under 

 a lens ; cheek and opercles partially covered with minute, embedded scales ; 

 top of head naked; opercle with a large, flat, flexible spine on level with 

 eye. No barbels, cilia, nor tubercles ; 2 large mucous pores at symphysis of 

 lower jaw and 2 on prcorbitals near anterior edge on each side; a row of 5 

 or 6 pores on lower jaw and edge of preopercle. Color uniform pale oliva- 

 ceous or light brown, iinely punctate with minute brown specks. Key 

 West. Only the type known, an example, 2\ inches long, seined on a slioal 

 covered with alg:e at Key West. (Cayo Hueso, or P)one Key, the original 

 Spanish name for the Island of Key West, whence the name cai/oruni, of 

 the keys.) 



Ogilbia cayoritm, Evermann & Kendall, Bull. U. S. Tisli Coiiim. 1897 (Feb. 9, 1898), 

 132, pi. 9, fig. 14, Key 'West, Florida. (Type, No. 48792. Coll. Evermann & Kendall.) 



958. BYTHITES, Reinhardt. 



Bythites, Reinharut, Dansk. Vidensk. Selsk. Afhaudl., vn, 18:i8, 178 (fuscus). 



Body elongate, covered with minute scales. Head large, thick ; mouth 

 large; jaws equal; no barbel; bands of teeth in the jaws and on vomer 

 and palatines. Branchiostegals 8 ; gill membranes united, free from the 

 isthmus; eyes moderate. Lateral line interrupted. Vertical fins united; 

 ventral fins reduced to simple filaments, each composed of 2 rays closely 

 united. Air bladder large; 2 pyloiic cajca. A thick, conical, anal papilla 

 (in the male). Greenland. {fivBizrji, an animal of the depths, from 

 (ivBioi, the deep.) 



2S7G. BYTHITES FllSCCS, Reinhardt. 



Head about 4 ; depth 4J. Body somewhat compressed, lipariform ; snout 

 obtuse, naked, with minute cirri. Mandible long, curved, extending far 

 behind vertical from posterior margin of orbit ; eye small ; scales moderate 

 on body ; lateral line complete, but interrupted over vent, the two parts 

 slightly overlapping the same vertical; vertical fins confluent, enveloped 

 in thick skin; pectorals broad, lanceolate, with broad base; ventrals fili- 

 form, reaching behind origin of pectoial, as long as pectoral and f as long 

 as head; a conspicuous anal papilla in the male. The only known speci- 

 men, now in the museum at Copenhagen, was obtained in Greenland half 

 a ceutui-y ago. (Goode & Bean.) (fuscus, dusky.) 



Bythites fuscus, Reinhardt, Dan.sk. Vidensk. Selsk. Afh., vn, 1838, 178, Greenland ; Gun- 

 THER, Cat., IV, 370, 1863; Jordan & Gilbert, Synopsis, 795, 1883; Goode & Bean, 

 Oceanic Ichthyology, 316, 1896. 



959. CAT^TYX, Giinther. 

 Catcetyx, GOnther, Challenger Report, xxii, 104, 1887 (messieri). 



Body compressed, elongate, covered with very small and thin scales; 

 lateral line indistinct, interrupted. Head oblong, with somewhat pointed 

 snout, covered with very small scales, only the anterior part of the snout 



