294 



POLLAN. 



teeth on the tongue; front of the tongue contracted and 

 lengthened. Eyes lateral, large. Body covered with scales. 

 Lateral line slightly sinking at first, then straight. First 

 dorsal fin behind the centre of gravity, with about fourteen 

 rays; adipose fin posteriorly; tail forked, the rays twenty-three; 

 anal with twelve, the first ray more than twice the length of 

 the last. Vent far behind; ventral fins large, and tAvelve rays 

 counted; (?) pectorals sixteen. Colour on the back dark bluish, 

 pale yellow on the gill-covers, brilliant white on the sides 

 and belly; iris yellow, with an orange border. The pectoral 

 fin in this example measured an inch and one eighth. 



