Ly 
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ICHTHYOLOGICAL COLLECTIONS OF THE ALBATROSS. 443 
_ the latter not projecting beyond the mouth. Nape not elevated. Mouth terminal 
_ at lower side of snout, slightly oblique, its lateral cleft about two-thirds its width. 
_ Lower jaw shutting within the upper. The angle of mouth reaches a vertical midway 
between front of eye and front of pupil. Teeth lanceolate, acute, without trace of 
basal cusps. 
Head 5 in length; greatest depth (at occiput) 6. Diameter of eye equals length 
of snout, 33 in head, 1? in interorbital width. Gill-opening a narrow slit entirely 
above base of pectorals, its length three-fourths diameter of eye. The opercle is 
produced posteriorly into a rounded lobe, which overlaps 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 
half its diameter. 
Upper pectoral lobe reaching origin of anal fin; the rays of lower lobe elongate 
and extensively free, longer than upper lobe and reaching to or nearly to front of 
anal. The intermediate rays are not as short as in C. reinhardti, and hardly form 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 3% in 
length. Series of conspicuous mucous pores on head, as in C. reinhardti. Color in 
spirits, dusky; the tip of snout, under side of head, opercles, abdomen, and posterior 
portion of vertical fins black; inside of mouth and gill-cavity dusky; peritoneum 
black. 
Five specimens, the longest 85 mm., from station 3338, south of Alaska Peninsula; 
depth 625 fathoms. 
Named in honor of Prof. Robert Collett, the distinguished author of the Fishes of 
the Norwegian North Atlantic Expedition. 
96. Careproctus phasma sp. nov. 
Closely related to Careproctus spectrum Bean, from the same region; differing in the 
much larger sucking disk and the narrower gill-slit, the latter confined to area above 
base of pectorals, its anterior margin formed of the broadly and evenly rounded 
opercular lobe. 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 a vertical from 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. 
Nostril opening in a short but conspicuous tube, the tube absent and the pore 
smaller in C. spectrum. Eye 4 in head, 2 in total interorbital width. Mucous pores 
small. Gill-slit short, slightly less than diameter of orbit, overlapped for almost 
its entire extent by the broadly rounded opercular flap, its inferior margin attached 
to base of upper pectoral ray. 
Sucking disk comparatively large, much larger than in C. spectrum, 1} times the 
diameter of the eye, 34 in head. It is very nearly round, the transverse diameter 
equaling or slightly exceeding the longitudinal diameter. Vent immediately behind 
edge of sucking disk. Anal papilla slender, half as long as diameter of eye. Pec- 
toral fin yery broad, barely reaching front of anal, the lower rays equaling the 
upper, extensively free at tip; 34 rays in the pectoral fin, the lower lobe containing 
8or9. Dorsal beginning behind the gill-opening at a distance equaling diameter of 
eye, the fin with 53 rays. Skin exceedingly soft, thick, and lax in the alcoholic 
specimen, forming foldsyon head and body and concealing the rays of the fins. Color 
uniform white in spirits. 
Two specimens, 80 to 85 mm. long, from Bristol Bay, stations 3254 and 3256; depths 
46 and 49 fathoms. 
