1901.] NATURAL SCIENCES OF PHILADELPHIA. 325 



1, CarcharMnus melanopterus (Quoy and Gaimanl). 



CarcJiarias melanopterus Quoy aud Gaimard, Voyage de I'Uranie, 

 Zool., 1324, p. 194, PI. 43, figs. 1 et 2. 



No. 23,768. (Dried skin.) 



Form of the body elongate. Head rather flattened or com- 

 pressed and with a rounded obtuse snout. Eyes lateral. No 

 spiracle. The origin of the D. is much nearer the origin of the 

 P. than the origin of the V. The tip of the D. not reaching the 

 origin of the V. when depressed. The origin of the posterior D. 

 is slightly in advance of the origin of the A. Upper lobe of the 

 caudal long. All of the fins with a black distal spot or edge. 

 Above dark brownish, below whitish. Total length with caudal 

 47 cm. 



HOLOOENTRID^. 

 8. Holooentrus microstomus (Gunther). 



Holoce/iti'um microstoma Giiuther, Cat. Fish. Brit. Mus., I, 1859, p. 

 34. 



No. 23,769. 



A single small specimen, appearing to agree in most particulars 

 with the descriptions of the present species. The black D. spots 

 upon the upper portion of the membranes between the first 4 spines 

 distinct. There are also 4 blackish spots upon the upper surface 

 of the head. 



SOARID^. 



3. Scarus T 



There are a number of pharyngeal teeth in the collection which 

 belong either to species of the present genus or Pieudoscarus. 



TEUTHIDID^. 



4. Teuthis triostegus (Liunteus). 



Cheetodoii triostegus LiarKsas, Syst. Nat. Ed. X, 1753, p. 274. 

 Nos. 23,771 and 23,772. 



5. Teuthis sp.? 

 No. 23,770. 



A young specimen resembling species of Acronurus described by 

 Giinther, Cat. Fish. Brit. Mus,, III, 1861, p. 346. 



The depth of the body is Ih iu the length without caudal. 

 Crests of the head serrated. 



