[127] CATALOGUE OF THE FISHES OF NORTH AMERICA. 



516 — DINEMATICHTHYS Sleeker. (435) 

 $ Brosmophycis Gill. , 



1532. Dinematichthys marginatus Ayres. C. (1225) 



1533. Dinematichthys ventraliai Gill. P. 



517.— BARATHRGDEMUS^ Goode &, Bean. 



1534. Beirathrodemus mauatinus Goode & Bean. B. 



518.— DICROLENE ^ Goode & Bean. B. 



1535. Dicrolene intronigra Goode & Bean. B. 



> Broamophycia ventralis Gill, Proc. Ac. Nat. Sci. Phila., 1863, 253. Cape San Lucas, 



southward. 



- Barathrodemus Goode «fe Beau. 



(Goode ifc Bean, Bull. Mus. Comp. Zool., XIX, 1883, 200; type Barathrodemus man- 

 atinua G. «fc B. ) 



Body brotuliform, much compressed ; head compressed ; mouth moderate. Head 

 unarmed, except for a short flattened spine at upper angle of opercle. Snout long, 

 projecting far beyond preraaxillanes, its tip much swollen ; jaws subequal in front. 

 Teeth minute, in villiform bands on jaws, vomer and palatines. No barbels. An- 

 terior nostrils on the outer angles of the dilated snout, circular, each surrounded by 

 a cluster of mucous tubes. Posterior nostrils above front of eye. Gill openings 

 wide, the membranes not united. Gill-rakera rather lew. Body and head covered 

 with small, thin, scarcely imbricated scales. Dorsal and anal long. Caudal fin 

 separate, long, and slender. Ventrals close together, far in front of pectorals, each 

 reduced to a single bifid ray. Deep-sea fishes. {fidpaQpor, a gulf or deep abyss; 

 Srjuoi, people.) 



Barathrodemua manatinua Goode & Bean. 



Grayish brown ; abdomen black. Snout longer than eye, its form resembling that 

 of the manatee. Maxillary reaching to opposite front of eye, its length 2^ in head. 

 Eye bi in head. Insertion of dorsal above that of pectoral. Ventrals inserted nearly 

 below middle of opercle, their length half head. Head 6 ; dei)th 7^. D. 106 ; A. 86; 

 C -f 5 + ; Lat. 1. 175. Gulf Stream, latitude 33°. {Goode cf- Bean. ) 

 (Goode & Bean, Bull. Mus. Comp. Zool., XIX, 1883, 200.) 



3 Dicrolene Goode «& Bean. 

 (Goode & Bean, Bull. Mus. Comp. Zool., 1883, 202, XIX ; type Dicrolene inironiger 

 G. & B.) 



Body brotuliform, moderately compressed ; head somewhat compressed, the mouth 

 large ; tip of maxillary much dilated. Eye large, placed high. Head with supra- 

 orbital spines ; several strong spines on the preopercle and one long spine at upper 

 angle of opercle. Snout short, not projecting ; jaws subequal. Teeth in narrow, 

 villiform bands on jaws, head of vomer, and on palatines. No barbel. Gill mem- 

 branes separate. Caudal fin small, separate. Dorsal and anal fins long. Pectoral 

 with several of its lower rays separate and very much produced. Ventrals close 

 together, under front of operculum, each composed of a single bifid ray. Head and 

 body covered with small scales. Lateral line incomplete. Stomach siphoual ; 

 pyloric caeca rudimentary; intestine short. Deep water, (^ixpooi, forked; ajXevt], 

 arm.) 



Dicrolene introniger Goode & Bean. 



Opercular spine with its exposed portion half as long as eye, which is as wide as 

 interorbital space, and 4 in head. Mouth large, the maxillary extending beyond eye, 

 its length considerably more than half head ; width of expanded tip of maxillary f eye. 

 Bones of head with large muciferous cavities. Length of caudal half distance from 



