HIPPOCEPIIALUS JAPONICUS. I53 



of and under first dorsal, narrowing to the upper end of the 

 base of the pectoral ; another, of irregular outline, passing 

 downward and forward to posterior side of base of pectoral ; 

 a larger one, mostly below the superiorlateral series, behind 

 first dorsal; one under second dorsal and three on ped- 

 uncle, the last just in front of base of caudal. 



Dorsal fins dusky, with small darker patches ; first 

 dorsal with an oblique pale bar near its base. Distal half 

 of caudal dark, its tip edged with lighter. Posterior half 

 of anal dusky. Pectorals marbled with yellowish and 

 brown, the membrane of the distal one-third dusky, with 

 paler edge. Ventrals pale. There are four or five brown 

 spots on nape : a curved band of brown connecting the 

 posterior ends of the occipital ridges, another between 

 the latter and the temporal ridges, and a streak extending 

 backward from posterior border of orbit. Brown areas 

 on opercle and preopercle. 



Distribution — Kurile Islands (Steller) ; Gulf of Patience, 

 Island of Segalien (Tilesius) ; Okhotsk Sea (Dr. Krause). 



