412 THE CRUISE OF THE 'GURAQOA.' 



C. DESCRIPTIONS OF NEW OR IMPERFECTLY 

 KNOWN SPECIES. 



PLATES XXVI. AND XXVII. 



DICEROBATIS BRAGG. 



Teeth tessellated, those of the upper jaw in 46 series, each tooth 

 being much broader than long, and trenchant behind ; the band 

 of teeth terminates laterally at a short distance from the angle of 

 the mouth ; body and tail smooth ; the distance between the mouth 

 and dorsal fin is one-half of the greatest width of the body ; tail 

 more than twice as long as the disk, without spine ; upper parts 

 uniform brown ; top of the dorsal fin white. 



Misol Island. 



Greatest width of the disk, 15 inches; distance between the 

 front margin of the head and dorsal fin, 7-^ inches. 



