ANGEL-FISH. 409 



three inches, whole breadth across the pectoral fins from 

 angle to angle seven inches and a half, breadth across the 

 ventral fins four inches and one quarter ; head depressed, 

 rounded at the anterior margin ; eyes on the upper surface, 

 distance between them one inch and one quarter ; temporal 

 orifices very large, one inch and a half apart, elongated 

 transversely, about as far behind the eyes as these are from 

 the anterior margin of the head ; pectoral fins large, lateral, 

 pointed in front, triangular on the outer edge, and rounded 

 posteriorly; sides of the body of the fish parallel behind their 

 free edges; ventral fins elongated, slightly rounded, con- 

 tracted in breadth behind ; commencement of first dorsal fin 

 even with the posterior edge of the ventrals ; the second dor- 

 sal fin begins at the half of the distance between the com- 

 mencement of the first dorsal and the caudal fin ; tail with an 

 equal-sized triangular lobe above and below. The mouth is 

 very wide, opening on the anterior margin of the head ; the 

 angles of the mouth under the external angles of each tem- 

 poral orifice ; teeth long and pointed ; branchial apertures 

 elongated ; the parallelism of the sides of the fish most con- 

 spicuous from below ; anal orifice rather before the middle of 

 the whole length ; the colour of all the under parts dirty 

 white ; the surface smooth ; all the upper surface granulated, 

 rough, of a dark mottled chocolate brown ; a row of short 

 spines, directed backwards, are ranged along the central line 

 of the back between the ventral fins. 



