Ko.l&si. FISHES OF JAPAN— JORDAN AND RICHARDSON. 661 



(orientalis, eastern.) 



Of this species we have examined specimens from locaHties as 

 follows: Misald, 1 specimen, 7 inches; Tokyo, 1 specimen, 7 inches, 

 and 1 specimen, 2h inches; off Tokyo Bay, 2 specimens, 7 inches; 

 Station 3707, Siiruga Bay, off Ose Point, 68 to 70 fathoms, 1 specimen, 

 8 J inches, and 4 specimens, 4 to 6 inches; Station 3708, Suruga Bay, 

 off Ose Point, 65 to 125 fathoms; Station 3715, Suruga Bay, off Ose 

 Point, 64 to 65 fathoms, 2 specimens, 4 to 6 inches; Stations 3716 and 

 3717, Suruga Bay, off Ose Point, 65 to 125 fathoms; Station 5070, 

 Suruga Bay (Albatross 1906), 1 specimen, 4^ inches. 



Here described from measurements made on a specimen from 

 Station 3707, Suruga Bay, 8f inches long, and 2 specimens, 7 inches 

 long, from Tokyo and IVIisaki. 



21. PERISTEDION AMISCUS Jordan and Starks. 



Peristedion amiscus Jordax and Starks, Bull. U. S. FishComm., XXII, 1902, 

 p. 593, pi. Ill, figs. 1 and 2 (Sagami Bay). 



Habitat. — Japan (Sagami Bay), in deep water. 



Head 2.5 in length to base of caudal; depth 5.5; width of head 

 3.25; eye 4.25; snout 1.83; nasal prominences 6.5; longest barbel 

 1.33; D. VI-20; A. 22; pectoral 1.83; ventral 2.5; plates 36. 



Body fusiform, tapering, with 4 rows of bony scutes on either side, 

 each ending in a hooked spine ; ventral row with spines much smaller 

 except anteriorly; along posterior part of anal the spine is very low 

 but evident; lower lateral row beginning just anterior to tip of pec- 

 toral and ending at base of lower caudal rays; dorsal row beginning 

 at nape just within the large parietal spine and ending at base of upper 

 caudal rays. 



Head very broad, depressed, and expanded around the edges; 

 anterior processes much divergent and tapering, the distance between 

 their tips twice the length of one process; lateral wing of cephalic 

 shield with two blunt spines, 1 opposite anterior and 1 opposite pos- 

 terior orbital margin; preopercle with a long spine, two-thirds length 

 of eye, preceded by a sharp ridge and extending posteriorly to all other 

 parts of the head; opercle with a small, short, sharp spine, preceded 

 by a low, sharp ridge; a small spine over front of eye, over posterior 

 part of it a high spine; a very high and sharp occipital spine, two- 

 thirds diameter of eye ; no spines above muzzle ; lower jaw with many 

 barbels, the outermost a long, branched, brush-like appendage over 

 two-tliirds the length of the head and reacliing nearly to the vent. 



Spinous dorsal beginning between second and third spines of dorsal 

 series of plates; tips of dorsal spines when depressed reaching to base 

 of second dorsal ray; anal extending posteriorly beyond soft dorsal, 

 its origin opposite that of the latter; tip of pectoral reaching fifteenth 



