15. jiYRus. 49 



at some distance frora one another ; vomer with a series of very 

 small teeth. Pectoral and vertical fins -well developed, the dorsal 

 beginning above the giU-opcning. Posterior nostrils in front of the 

 eye, anterior tubular. 

 Japan. 



1. Oxyconger leptognathus. 



Conger leptognathus, Bleek. Act. Soc. Sc. Indo-Xcdttl. iii. Japan, iv. 

 p. 27. 

 Cleft of the mouth three-fifths of the length of the head ; tail 

 shorter than body. 



Nagasaki. 

 a. Type of the species : in bad state. From Dr. Bleeker's Collection. 



13. HOPLUNNIS. 

 Hoplunnis, Kaup, Aale Hamburg. Mm. p. 19. 



Scaleless. Snout much produced ; maxillary and mandibulary 

 teeth biserial ; vomerine teeth long, pointed, in a single series. 

 Pectoral and vertical fins, the dorsal commencing above the giU- 

 opening. Gill-opening small. Posterior nostril in front of the eye. 

 Tail several times longer than body. 



Central America. 



1. Hoplimnis schmidtii. 

 Kaup, ;. c. p. 20, taf. 2. fig. 4. 

 Tail about four times as long as the body ; snout thrice as long 

 as the eye. The posterior portion of the vertical fin black. {Kaup.) 

 Puerto CabeUo. 



14. NEOCONGER. 

 Neoconger, Girard, U. S. ^ Mex. Bound. Ichth. p. 77. 

 Body naked. Pectorals present. Dorsal and anal fins rudimen- 

 tary, more developed towards the end of the tail. iTaxillary teeth 

 in several series, vomerine teeth uniserial. Cleft of the mouth ex- 

 tending behind the small eye. Posterior nostril near the anterior 

 rim of the orbit. 

 Coast of Texas. 



1. Neoconger mucronatus. 

 Girard, I. e. 

 Head small, nan-ow, pointed, the upper jaw projecting beyond 

 the lower. Tail not much longer than body. Dorsal fin beginning 

 somewhat in advance of the vent. Coloration uniform. (Girard.) 

 St. Joseph Island. 



Seventh Group. MYRINA. 

 15. MYRUS. 

 Myrus, Kaup, Apod. p. 31. 

 Nostrils on, or very close to. the margin ot the upper lip : the aii- 



VOL. VIII. E 



