1904.] 



NATURAL SCIENCES OF PHILADELPHIA. 



237 



lateral line ; 7 scales obliquely forward from origin of spinous anal to 

 lateral line; width of head 2yL in its length; depth of head Ih, over 

 posterior margin of eye; mandible H; first dorsal spine 2h; third If; 

 third anal spine If; first anal ray If; least depth of caudal peduncle 

 4\; pectoral If; ventral If; snout 4f, measured from tip of upper 

 jaw; eye 2; maxillary 2^; interorbital space 4^. 



Body rather elongate, compressed, greatest depth near middle of 

 depressed ventral, and upper profile a little more bent and convex 

 than lower. Caudal peduncle compressed, least depth about half its 

 length. 



Head a little large, elongate, well compressed, upper profile obtusely 



Fig. 6. Flammeo achromopterus Fowler. 



convex, and lower but little convex. Snout short, convex, broad, 

 upper jaw projecting a little, profile well inchned and straight. Eye 

 rather large, nearly circular, anterior, and impinging on upper profile. 

 Mouth rather small, mandible w^ell protruding beyond upper jaw and 

 gape reaching about front of posterior nostril. Maxihary rather large, 

 slipping below narrow preorbital, and reaching below middle of orl^it. 

 Expanded end of maxillary equal to f of horizontal diameter of pupil. 

 Supplemental maxillary large. Teeth very small, in bands in jaws 

 and on palatines, also a small triangular patch on vomer. Tongue 

 long, slender, pointed and free. Nostrils adjoining, close in front and 

 opposite middle of orbit, posterior a large pit. Interorbital space 

 broad, and slightly concave. Bones of head mostly with finely den- 



