30 ART. 7. — S. TANAKA : 



of opercle a little less than one half of length from tip of lower 

 jaw to edge of opercle or 4§ in total length from tip of upper 

 jaw to caudal base ; length from origin of dorsal to caudal base 41 

 in the total length. 



Body rather elongate, a little compressed ; caudal peduncle 

 compressed. Head gently curved in profile ; eye large, lateral, 

 high up, nearer tip of upper jaw than edge of opercle ; interor- 

 bital broad, gently convex ; beak of lower jaw long, stout ; teeth 

 on both jaws minute ; no teeth on vomer and palatines. Pectoral 

 long, pointed, its tip midway between its insertion and origin of 

 ventral ; origin of ventral nearer that of anal than tip of pectoral, 

 its free margin emarginate, its inner rays longer than the outer. 

 Origin of anal a little nearer caudal base than origin of ventral, 

 and beneath middle of dorsal base ; posterior end of base of anal 

 very slightly behind that of dorsal. Second ray of dorsal longest, 

 shorter than height of body, last ray quite short ; the margin of 

 the fin emarginate. Second ray of anal long, last ray short ; the 

 margin of the fin almost straight. Caudal deeply forked ; lower 

 lobe longest and broadest, both pointed. 



Scales cycloid ; no lateral line. 



Color in formalin bluish, dark on back, lighter below ; beak 

 of lower jaw dark ; dorsal and caudal dusky ; pectoral and ventral 

 a little lighter ; anal whitish. 



MEASUREMENTS OF THE SPECIES. 



Locality 



Date 



Total length (measured from tip of upper jaw to caudal base)... 



Head (measured from tip of upper jaw to gill opening) 



Height of body 



Haliajima 



Jan., 1905 



26.0 



5.3 



3.6 



