490 



Mr. G. A. Boulenger on the 



an adult Californian specimen with a photograph of Hilgen- 

 dorf^s types in the Berlin Museum, which I made soon after 

 (P. Z. S. 1897, p. 917, pi. Hi.), confirmed me in this opinion. 

 Dr. D. S. Jordan, although accepting the generic identifi- 

 cation of the two fishes, could not be convinced of their 

 specific identity ; and in a paper which he published last year 

 (P. U.S. Nat. Mus. XXX. p. 841, fig.), in conjunction with 

 Mr. J. O. Snyder, he emphatically declares the Japanese fish 

 to be " well separated from Stereolepis gigas, Ayres, of the 

 coast of California, by the larger scales, and especially by 



Late& niJoticiis, young and adult. 



the form of the spinous dorsal fin, the spines in Stereolepis 

 gigas being very much lower. The nominal genus Megaperca^ 

 however, differs but slightly from Stereolepis^ the only 

 tangible character resting in the marked elevation of the 

 dorsal spines, the first dorsal being low in Stereolepis. The 

 scales are a shade thicker and rougher, but the difference is 



