146 Bulletin American Museum of Natural History. [Vol. XXXV, 



SlLURID.E. CaTFISHES. 



Netuma platypogon (Gunther). 

 A single specimen taken at Pichilinque Bay, March 27, on a hand-line. 



Leptocephalid.e. Conger Eels. 



Congrellus balearicus ( De la Roche). 



Cape San Lucas, March 23, one mutilated specimen, only the head and 

 about an inch of the body being obtained. 



Myrid.e. Worm Eels. 



Myrophis vafer Jordan and Gilbert. 



Pichilinque Bay on March 27 and again, on April 18, a number of speci- 

 mens taken at night by the use of the electric light lure. 



Ophichthyid.e. Snake Eels. 

 Sphagebranchus selachops (Jordan and Gilbert). 

 Two specimens taken at Cape San Lucas on March 23. 



Letharchus pacificus sp. nov. 

 Fig. 3. 



Teeth conical, directed inward and backward. Snout slender, pointed, pro- 

 jecting; I of its length beyond the lower jaw, cleft of mouth longer than snout, ex- 

 tending back of the eye a distance about equal to the diameter of the latter. Gill 

 openings sub-inferior, diverging at about an angle of 60 degrees from a narrow isthmus, 

 which is about equal to the eye and i the width of the slit. Eye 12; snout about 6, 

 head in trunk 6^; tail If in trunk; depth 2\ in head. Lateral line conspicuous. 

 Dorsal beginning behind the eye a distance equal to snout, high at nape, gradually 

 lower backward, practically absent on posterior § of tail. Pectoral and anal fins 

 wanting. 



Color in spirits, — head, dorsal and ventral lines and dorsal fin, whitish; sides 

 dark chocolate brown; many dark spots, mostly smaller than eye, on head, confluent 



