374 OPHIDIID^. 



2. Sirembo armatus. 



Brotula arinata, Schleg. Faun. Japon. Poiss. p. 255. 

 Brotella armata, Kaup, I. c. 



D., A. & C. 175. 



Operculum with one, praeoperculum with three spines. The dorsal 

 fin commences above the posterior third of the pectoral. 

 Japan. 



From a dried specimen 2 feet long. 



4. XIPHOGADUS. 



Body very long, low and compressed, naked. Eye of moderate 

 size. Vertical fins continuous, the dorsal commencing above the eye ; 

 each ventral reduced to a filament, inserted at the humeral arch. 

 Barbels none. Each jaw with a single series of teeth, and with a 

 pair of strong canine teeth. 



East Indies. 



1. Xiphogadus setifer. 



Russell, i. pi. 39. 



Xiphasia (!) setifer, Swaimoii. 



B. 5. D. 223. A. 112. C. 10. 



The length of the head is one-thirteenth of the total length, and 

 equals its distance from the vent. Two of the caudal rays terminate 

 in short filaments. 



Leng-th of the single specimen observed 14 inches. 



Vizagapatam. 



5. DINEMATICHTHYS. 



Diaematichthys, Sleeker, JBcitoe, p. 318. 



Halias, Ayres, Proc. Calif. Acad. ii. p. 52. 



Brosmophycis, Gill, Proc. Acad. Nat. Sc. Philad. 1861, p. 168. 



Body elongate, covered with very small scales. Eye smaU. One 

 dorsal and anal, not continuous with the caudal ; each ventral 

 reduced to a single filament, both close together, and inserted at the 

 throat, but behind the isthmus. Bands of teeth in the jaws, on the 

 vomer and on the palatine bones. Upper jaw scarcely longer than 

 the lower ; barbels none. Six branchiostegals ; gUl-opening very 

 wide ; pseudobranchiae none. A prominent anal papiUa with a pair 

 of homy claspers (in D. iluocoeteoules). 



East Indian Archipelago. Coasts of California. 



1. Dinematichthys iluocoeteoides. 



Sleeker, I. c. p. 318. 



D. 83. A. 69. C. 14. 

 The height of the body equals the length of the head and of the 

 ventrals, and is two-ninths of the total ; snout obtuse, longer than the 

 eye ; nostrils close to the eye. Palatine teeth in a long stripe. 



