Barbour — Notes on Rhinomuraena. 41 



[Dec, 1906] p. 196, fig. 6), as R. eritima, it maybe added that this form 

 is not congeneric with the two forms described above. Since it does not 

 belong to a known genus, it may be hereafter known as — 



Rhinechidna gen. nov. 



Generic characters {fide Jordan and Seale, 1. c, p. 196). — "Posterior 

 nostrils consisting of slightly elevated tubes' ' ; " anterior nostrils * * * 

 long, about equal to eye, terminating in an expanded disc two-thirds as 

 wide as eye' ' ; " jaws curved and can not be completely closed " ; " teeth 

 in lower jaw in a single row of 25 sharp, concave teeth on each side, the 

 anterior fin being enlarged; posterior teeth of upper jaw small and 

 uniserial, the anterior teeth large biserial canines, three of which are on 

 the median line of the vomer." The length of the body is the same as 

 that of the tail. - 



Only one species is known. 



Rhinechidna eritima (Jordan and Seale). 



Type a single specimen 20.15 inches long, taken at Pago Pago, Tutuila 

 Island, Samoa. No. 51,717 U. S. National Museum, Washington. 



