NO. 1348. JAPANESE HEX A GRAMMID FISHES— JORDAN AND STA RKS. 1( ) 1 1 



v^entials, the lower part running to base of ventrals, the upper not 

 reaching to tips of ventrals; the median line on breast forked in front 

 of anterior half of ventrals, and running to lower edge of caudal, or 

 sometimes stopping over posterior end of anal. 



Uniform dark brown color on back, lighter below; a dark streak 

 along upper edge of suborbital sta}", one from eye to tip of snout, one 

 from eye to end of maxillary, one from eye to nape; these only evi- 

 dent in the small examples; a dark, humeral spot; anal unifonnly 

 dusky, the tips of the rays white, or in the young crossed l)y 7 or S 

 black bars. 



Three large specimens from Hakodate, and numerous small ones 

 from Hakodate and Mororan. This species is abundant from Hok- 

 kaido, through the Kurile Islands (Robbcn Island, Iturup Island) 

 and the Aleutian Islands to Petropaulski and Unalaska. 



{OKTGO, eight; yp(x/.t/x7J, line.) 



5. HEXAGRAMMOS LAGOCEPHALUS (Pallas). 



Lahrax layocephnlusVAi.LA^, M6m. Ac. St. Petersb., II, 1810, p. a«4; Kuril Miuuh. 

 Grammotupleurus lagocephalus Jordan and Evermann, Check-List Fishes, 1896, 



p. 435. 

 Hexagrammus decagrmmnm Bean and Bean, Proc. V. S. Nat. Mus., 189.;, p. .SSH, 



specimens from Petropaulski; not of Pallas. 

 ■Hexagrnmmo^ Ingoccphalm Jordan and Gilbert, Fishes of Bering; Sea, m Kept 



U. S. Fur Seal Investigations, 1898, p. 450.-Jori)an and Isvermann, lish 



N. M. Am., II, 1898, p. 1873; Robben I., Bering I., Iturup 1. 

 Head3| to -t in length; depth 3| to3|; eye small, about :»1 in head. 

 D XX to XXIII, 22 to 2-t; A. 22 to 24; P. 20 to 21. Outer row ol 

 teeth enlarged in both upper and lower jaws. Teeth on vomer and 

 front of palatines. Maxillary extending to below middle of eye in 

 adults, 2* in head (2| in young). A small flap above eye, frmg.d 

 alono- the margin; no tentacles on nape. Fins high, the spinous dor- 

 sal deeplv notched, the last spine som(5what longer than the one pre- 

 ceding; in the adult the fifth spine is the longest, nearly . length ot 

 head,'^the third and fourth spines nearly equal to the httl. rom the 

 fifth the spines gradually diminish in height to near the -k «f the h^ 

 when they become rapidly shortened to form the notch. ^--^ ^^^ 

 broad at base, convex at its posterior margin, even when the t n . 

 closed; pectorals broadly rounded, rather short, the lo".^- ^ J ^ 

 n in head, not nearly reaching vertical from vent; ventt.d . o 



2 in head, ;hort and rounded in the young, ^>-onn.ig on.ei ^^ 

 pointed in adults; pectoral and ventral rays very - oad espec lal 

 Lard their tips, and much branched; -^t rays o ^:- :^;^ 



fins cleft on terminal fifth, as in other ^P-^',^ j^, , ,.a 



diverging; 5 lateral lines on each side a. v^iiU^ ^^^^^^ 



2 ventral; upper dorsal Ime continued to beyond mu 

 dorsal fin, us^ually ending under the fourteenth or sixteenth la, , 



