358 CONTRIBUTIONS TO NORTH AMERICAN ICnTIIYOLOGY IV. 
109.— CffiCtL.l Valil. 
{Sphagehranchm Bloch & Schneider.) 
(Vahl, Skrivt. Natnrli. Selak. iii, 1791, 149: typo Cwcula pterggera yiilLl=’i Daloptliis 
2 )u}gophthalmus Bleeker.) 
Body extremely slender. Teeth equal, small, conical, on jaws and 
vomer. Nostrils labial. Tongue not free at tip. Pectoral fins wanting 
or rudimentary ; dorsal fin present. Extremity of tail free. Gill- 
openings small, separated by a narrow isthmus. Eyes small. (Latin, 
tu'cns, blind.) 
581. C’. scHticaris (Goode & Beau) J. & G. 
Browfush, paler below. Teeth small, conical, in two series on jaws 
and vomer. Gill-openings close together. Dorsal fin beginning far in 
advance of the gill-opening, a little nearer the tip of the snout than the 
gill-oiiening, at a distance from the former equal to three times the 
length of the snout. Head in distance from gill-opening to vent, 
and 8 in tail. Snout pointed, C in head. Pectorals extremely small, 
their length less than the total length. {Goode & Bean.) 
{Sjihagehranchus scuticaris Goodo & Bean, Proc. U. S. Nat. Mus. 1879, 344.) 
170.— OPIIICIITHYS Ahl. 
(Ojdii’sMras Lac<5pcde.) 
(Ahl, Specini. Ichth. 1789, 9.) 
Body elongate, naked. Teeth all pointed ; vomerine teeth present. 
Nostrils labial. Tongue not free at tip. Dorsal and anal fins present; 
]»ectoral fins developed. End of tail not surrounded by the fin. Spe- 
cies ver^’ numerous, found in all warm seas. snake; fi.sh.) 
* Canine teeth very distinct. (Mgstriojyhis* Kauji.) 
tTeeth in each jaw in a double seiaes. 
582. O. paiuctifci* (Kaup) Giiuther. 
Snout narrowed, short, spoon-shaped, twice as long as the eye. Cleft 
of the mouth very wide. Teeth pointed, fixed, unequal in size, those 
of the premaxillary’ in a single arched series, the foremost being the 
longest of all the teeth; outer series of teeth in jaws with canines; 
vomerine teeth triserial, rather small. Lips not fringed. Gill-openings 
wide. Origin of the dorsal fin at some distance behind the pectoral, 
which is well developed. Tail somewhat longer than the body. 
* Kaup, Apodes, ISuG, 10: typo Oplmurus rostcUatns Rich, {iivdrpov, spoon; 0 (pi?, 
snake; from the form of the snout.) 
