344 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Diagnosis. — Teeth small, conical ; gill-opeiiiiigs close together. The 

 dorsal fin commences far in advance of the gill-opening, a little nearer 

 to the top of the snont than to the gill-opening, at a distance from the 

 former equal to three times the length of the snont. The length of the 

 head is contained 8h times in distance between gill-opening and vent, 

 and 8 times in length of tail. Snont pointed, contained G times in length 

 of head. Teeth biserial in jaws and on vomer. Pectorals extremely 

 .small. Color, brownish, lighter below. 



Measurements. 



Millimeters. 



Leugth of body 750 



Length of tail 345 



Length of head 43 



Width of interorbital area 5 



Length of snout 6^ 



Angle of mouth from tip of upper jaw 10^ 



Angle of mouth from tip of lower jaw 8 



Diameter of orbit li 



Distance of dorsal from snout 21 



Width of gill-opening 5^ 



Leugth of pectoral (right side) 2 



Length of pectoral (left side) IJ 



32. Gymnothorax ocellatus, Agassiz. 



A single specimen (]S"o. 2.3634), .325 millimeters long, was sent fromi 

 Clear Water Harbor. The markings are of the typical character. 



33. Crotalopsis mordax (Poey), Goode & Bean. 



Two specimens (Xo. 23635), 265 and 232 millimeters, were sent by 

 Br. J. W. Velie from Clear Water Harl^or, Fla. They are young, and 

 have the eye contained about H times in the length of the snout. The 

 spots are large, the longest with diameter less than half the length of 

 the head. 



TRYGONID^. 



34. Dasybatis sabiua (Lesueur). — Sting Ray. 



Three specimens (iSro. 23648) in salt, each about two feet long, tail 

 included, were sent by Dr. Velie; also, a large skin ot a Sting Ray, 

 probably D. tuberculatus, or i^erhaps D. hastatus or Z>. Sayi. 



GALEORHINID^. 



35. Hypoprion brevirostris, Foey.—ilaii-eater Shark. 



A large specimen (No. 23649) in salt was sent by Dr. Velie. This 

 species was incorrectly cited by us, lapso calami, in the American 

 Journal of Science and Arts, October, 1877, under the name Hypoprion 

 longirostris. 



SPHYRNID^E. 



36. Reniceps tiburo (Linn.), Gill. — Shuvcl-nose Shark. 



A single small specimen in salt (No. 23650) was sent by Dr. Velie. 



