356 PEOCEEDIXGS OF UNITED STATES NATIONAL MUSEUM. 



Body unusually elongate, moderately compressed, tlie caudal peduncle 

 long-, much longer tban liead. Head slender, not very broad, the iu- 

 terorbital width 2f in head. Eye large, 3 J in head. Month rather large; 

 the teeth in a moderate band, the outer considerably enlarged. 



Dorsal flu rather long', of moderate height, its insertion well in front 

 of that of anal, at a jwiut midway between eye and base of caudal. 



Pectoral small, If in head. Caudal If. 



Coloration, in spirits, plain, somewhat translucent, with no markings 

 anywhere, except traces of some very narrow dark bars on the sides. 

 Fins now plain. 



This species resembles somewhat the Eastern Fundulus cliaphanus, but 

 it is more elongate. 



10. Hemirhamphus uhifasciatus Eauzaui. 

 G3120. An adult example, in fair condition. 



11. Gymuomurasna nectura, sp. liov. 



10-442. One specimen, 6J inches in length, in good condition. 



Body moderately elongate, the snout heavy, compressed, abruptly 

 truncate in profile. Anterior nostril on the front of the snout, in a short 

 tube; posterior nostril directly above the eye, without tube. 



Eye rather large, about half as long as snout, which is 2f in cleft of 

 mouth. Cleft of mouth straight, its length 2| in head. Jaws about even 

 in front, the lower having little motion, but capable of completely clos- 

 ing the mouth. 



Teeth rather strong, sharp, straight, erect, mostly in two series, and 

 nearly all depressible; those on the vomer a little larger than the others. 

 Teeth in outer series in each jaw small, much smaller than those of the 

 inner series. Gill opening small. Head 2f in trunk; head and trunk 

 a little shorter than tail. 



End of tail with a moderate tin, larger than usual in this genus; the 

 fin more developed on tlie upper side, where its length is equal to that 

 of the head. 



Color dark brown, with ill-defined bars, blotches and reticulations of 

 darker brown, the head and breast more distinctly marked. 



Compared with GymnomurKna tigrina, this species has the fin better 

 developed, the snout and mouth longer, the teeth larger, the color dif- 

 ferent, &c. 



12. Muraena pinta Jordan & Gilbert. 



2324. One half-grown individual, in good condition. Young speci- 

 mens of this species have an inner row of smaller teeth in the upper jaw. 



13. Apterichthys selachops, sp. nov. 



4391. One specimen, in good condition, about 14 inches long. 

 Body moderately elongate, the tail sharp-pointed. No trace of fins any- 

 where. Head tapering anteriorly to the long, sharp snout, which ends 



