2132 Bulletin 4.7, United States National Museum. 



its lateral cleft about f- its width; lower jaw shutting within the upper; 

 angle of mouth reaching a vertical midway between front of eye and 

 front of pupil ; teeth lanceolate, acute, without trace of basal cusps ; gill 

 opening a narrow slit, entirely above base of pectorals, its length f diame- 

 ter of eye; opercle produced posteriorly into a rounded lobe, which over- 

 laps the gill opening; disk oblong, of moderate size, placed under the 

 posterior part of head behind the eyes, forming, in alcoholic specimens, a 

 very deep cup-shaped depression with incurved edges; diameter of disk 

 about equaling that of eye ; disk separated from vent by i its diameter ; 

 upper pectoral lobe reaching origin of anal fin, the rays of lower lobe 

 elongate, extensively free, longer than upper lobe, and reaching to 

 or nearly to front of anal; intermediate rays not as short as in C. 

 reinhardi, hardly forming a separate division of the fin, the rays being 

 gradually and uniformly shortened from above downward to origin of 

 lower lobe; pectoral rays 29; dorsal beginning immediately behind the 

 head ; distance from tip of snout to origin of anal 3f in length ; series of 

 conspicuous mucous pores on head, as in C. reinliardi. Color in spirits, 

 dusky, the tip of snout, under side of head, opercles, abdomen, and pos- 

 terior portion of vertical fins black; inside of mouth and gill cavity 

 dusky ; peritoneum black. Closely related to C. reinhardi, from which it 

 differs principally in the elongation and exsertion of the lower pectoral 

 rays. These extend in all specimens to or nearly to the origin of the anal 

 fin, and are always free for the greater part of their length. Length 3 

 inches. North Pacific, south of the Alaskan Peninsula. (" Named in 

 honor of Prof. Eobert Collett, the distinguished author of the Fishes of 

 the Norwegian North Atlantic Expedition.") 



Careproctus colletti, GILBERT, Rept.U. S. FishComm. 1893 (1896), 442, south of the Alaska 

 Peninsula, at Albatross Station 3338, in 625 fathoms. (Type, No. 48698.) 



2462. CAREPROCTUS PHASMA, Gilbert. 



Eye 4 in head, 2 in total interorbital width. D. 53; P. 34. Head broad 

 and flat above, subquadrate, with nearly vertical cheeks. Snout very 

 obtuse, broadly rounded, much blunter than in C. spectrum, very slightly 

 overlapping the mouth; width of snout 1| in length of head; mouth 

 very broad, somewhat oblique, reaching vertical slightly behind front of 

 eye, its width more than twice the amount of lateral cleft taken axially. 

 Teeth minute, acute, in a moderate band in each jaw, arranged in oblique 

 series within the band. Nostrils opening in a short but conspicuous tube 

 (the tube absent and the pore smaller in C. spectrum} . Mucous pores small. 

 Gill slit short, slightly less than diameter of orbit, its inferior end attached 

 to base of upper pectoral ray, overlapped for almost its entire extent by 

 the broadly rounded opercular flap. Sucking disk comparatively large, 

 much larger than in C. spectrum, 1-J- times diameter of eye, 3 in head, 

 very nearly round, the transverse diameter equaling or slightly exceeding 

 the longitudinal diameter. Vent immediately behind edge of sucking 

 disk ; anal papilla slender, as long as diameter of eye. Pectoral fin very 

 broad, barely reaching front of anal, the lower rays equaling the upper, 



