FISHES OF HAWAIIAN ISLANDS. 
623 
middle of anal fin, rays all branched nearly to base, 9 in number, preceded by a minute spine; pec- 
torals short, rounded, not reaching vertical from vent; caudal rays deeply forked, the outer ray above 
and below unbranched, preceded by 4 short spines at base of upper lobe, 3 at base of lower; caudal 
fin rounded, its length one-fifth total length without caudal. 
Scales very small, cycloid, smooth, covering entire body and cheeks; head otherwise naked; 
rows above lateral line oblique, not parallel with back ; no enlarged scales along base of dorsal and 
anal fins, where are only a series of small nodular projections corresponding in number to the rays; 
median line of breast and belly in front of anus furnished with a series of large strongly keeled plates, 
the keel bearing 2 or 3 compressed, backwardly directed spines, the posterior spine, the larger project- 
ing freely; plates 10 in number, decreasing in size anteriorly, the 3 anterior ones small, but sharply 
keeled and spinous. In one of the cotypes there are 29 rays each in the dorsal and anal, and 11 plates 
in the ventral series. 
Color in life silvery, overlaid with light rose color. 
Specimens were taken at stations No. 3867, Pailolo Channel, 284 to 290 fathoms, and 4134, vicinity 
of Kauai, 225 to 334 fathoms. 
Family CAPROIDAi. 
Cyttomimus, new genus. 
Allied to Capromimus Gill, from which it differs in having rough-ctenoid, instead of cycloid, scales 
in having the thoracic region wide and flat, without ridge or spinous scutes, and in the presence of 
teeth on vomer and palatine bones. 
Cyttomimus Gilbert, new genus of Caproidss ( stelgis ). 
F. C.B.1903, Pt. 2—4 
