142 BULLETIN 150, UNITED STATES NATIONAL MUSEUM 



Distribution. — Okhotsk Sea, off Saghalin, Albatross Stations 5018 

 and 5026; depth 100 and 119 fathoms. Five specimens examined, 

 reaching a length of 114 mm. 



RelationsMps.- — Careprodus roseojuscus, having s similar type of 

 dentition, is allied to the C. coUetti group of species. It is distinguished 

 by the paler coloration, the greater depth of head and body and the 

 short lower pectoral lobe. 



Synopsis. — Dorsal 57-58; anal 48-49; pectoral 28-30; caudal 8 

 pyloric coeca 21-22; depth 4 in length without caudal; head 4-4.2 

 tip of mandible to disk 9.5-10. Eye 4.2-4.5 in head; disk 3.3-3.5 

 lower lobe of pectoral 2.1. Body comparatively deep and compressed . 

 Teeth simple, lanceolate, considerably recurved; the anterior teeth 

 appearing little smaller than the inner teeth; the cutting surface of 

 the bands of teeth appearing horizontal. Gill slit above the base of 

 the pectoral fin. No prickles. Lower lobe ofHhe pectoral fin short, 

 reaching nearly to the vent, 2.1 in the head. Disk oval, cupped. 

 Body pale or pinkish; caudal and neighboring portions of dorsal and 

 anal dusky; peritoneum black. Five specimens, reaching a length of 

 114 mm. 



CAREPROCTUS COLLETTI Gilbert 



Careproctus colletti Gilbert, 1896, p. 442. — Jordan and Evermann, 1898, 

 p. 2131. — Gilbert and Burke, 19126, p. 370. 



Type.— No. 48698, U.S.N.M.; Albatross Station 3338, south of the 

 Alaska Peninsula; depth 625 fathoms; length 84 mm. 



Distribution.— IsioTth Pacific, Bering Sea, Okhotsk Sea and the 

 Japan Sea; Albatross Stations 3325, 3338, 4982, and 5029; depth 284 

 to 625 fathoms; temperature 35° to 38° F. Seventeen specimens 

 examined. 



Relationsliips . — C. colletti bears a close resemblance to C. entomelas. 

 It differs from the latter species in the absence of prickles, the darker 

 coloration, the longer lower pectoral lobe, and the shorter snout. 



Description oj type. — Dorsal 52; anal 50; pectoral 28; caudal 6; 

 pyloric coeca 8. Depth 5.6 in length without caudal; head 4.5. 

 E3^e3.5inhead; disk 3.2. 



Body elongate, deepest at union with head; tapering gradually. 

 Head slender, compressed; occiput high; profile forming a straight 

 line from tip of snout to occiput; interorbital flat. Mouth moderate, 

 lateral cleft reaching past front of eye; maxillary reaching posterior 

 margin of pupil. Teeth lanceolate, recurved, the cutting surface of 

 the bands horizontal; the rows very oblique, about 11 in the half of 

 each jaw; outer teeth smaller but -with dissection, appearing almost 

 as large as the inner teeth. Snout short, deep; jaws about equal, the 

 lower slightly projecting. Nostril in front of the eye, the tube, very 

 short, simply a raised rim. Eye large, black; pupil round. Gill slit 

 small, 5.5 in the head, above the base of the pectoral fin. Supra- 



