88 bulletin: museum of comparative zoology. 



MURAENIDAE. 



MURAENA VAGRANS, Sp. nOV. 



Body elongate, cylindrical, slightly compressed anteriorly, ending 

 in the conical snout; lower jaw the longer. Posteriorly the body 

 is evenly compressed from the anal fin to tip of tail; fins imited around 

 tip of tail; depth of body at anal about 2 in head; the tail longer than 

 head in trunk by a distance less than length of head. 



Head thick and strong its greatest width 1.4 in its depth; its length 

 2.75 in trunk (without head) and 8 in total length; mouth of moder- 

 ate size and closing completely; the length from tip of snout to angle 

 of jaws 2.2 in head; lower jaw projecting. 



Teeth acute, compressed, biserial; maxillary with fourteen sharp 

 teeth in outer row and seven larger curved, conical, depressible teeth 

 on inner row; premaxillary with an outer row of nine or ten small 

 teeth and an inner row of five large canines. Vomer with three large 

 teeth anteriorly plus two series of short rounded teeth on the shaft, 

 each series of eight teeth; mandibular teeth in a single row of twenty- 

 one sides of jaw, plus two series in the front of eight teeth. 



Snout rather short and high, its length 4.7 in head, its height 1.5 

 in its length; anterior nostril in a short tube above the upper lip near 

 tip of snout; posterior nostril in a tube fully as large and located 

 on a line with anterior margin of eye; eye slightly nearer angle of jaws 

 than to tip of snout, its length 3 in snout. Gill-openings small, about 

 equal to eye, the aperture distinctly tubular and located below the 

 lateral line. 



No pectoral fin, dorsal and anal distinct, and united around tail; 

 origin of dorsal on nuchal region, far in advance of gill-openings. 



Color in alcohol: — uniform black. 



Total length 555 mm.; length to anal 260 mm.; length of tail 

 295 mm.; head 70 mm. 



Type — M. C. Z. 2532 B. South America? 



MuRAENA VIRIDIPINNA, sp. nOV. 



Body cylindrical, elongate, compressed; head conical, the lower 

 jaw slightly the longer; tail evenly compressed from anal pore; 



