48 MEMOIRS OF THE CAENEGIE MUSEUM 



or palatines; teeth in jaws in bands, outer row enlarged, canine-like, inner rows 

 becoming obsolete on sides; gill-membranes united, free from the isthmus, the 

 opening extending forward slightly below; body, cheeks and upper parts of head 

 with small ctenoid scales, not extending on vertical fins. 



First lateral line separated from dorsal by four rows of scales (five anteri- 

 orly), each approaching its fellow in front of dorsal and behind dorsal, but in 

 neither case uniting with it. The origin is on top of the head slightly behind 

 eye, the apex is on base of caudal peduncle. Second lateral line runs parallel 

 to first for length of dorsal, then descends abruptly to middle of caudal peduncle 

 and thence in a straight line to base of caudal. Third lateral line extends from 

 a point on a level with the sixteenth pectoral ray and above the middle of the 

 vcntrals, to above the last anal ray. Fourth lateral line runs from isthmus 

 along edge of ventrals, to above first anal ray. Fifth extends along base of 

 anal, uniting with its fellow between tips of inner ventral rays, running thence 

 to isthmus. In addition to these there is a short line lying just above the 

 fourth and reaching from above middle of ventrals to opposite vent. On one 

 side of our specimen this unites for a short distance with the fourth, on the 

 other it is free. The first and second lines are separated by fifteen scales 

 anteriorly; the third and fifth by ten scales opposite insertion of anal. 



Fig. 42. Hexagranimus aburaco Jordan & Starks. (Proc. U. S. N. M., Vol. XXVI, p. 1008.) 



Color dusky above, lighter below; fins all dusky; dorsal with black cloud- 

 ings; caudal lobes black-tipped; no trace of the black cross-bands characteristic 

 of P. monopterygius. 



Described from the type which is fourteen inches in total length, taken at 

 Chinnampo, Korea. It is No. 4558 in the Catalog of the Carnegie Museum. 



This species differs from Pleurogrammus monopterygius in the slenderer body, 



