. Bulletin - United States National Museum. Science. 242 BULLETIN 15, UNITED STATES NATIONAL MUSEUM. Localities.—Albatross station 4803, off Simushir Island, lat. 46° 42' N.; long. 151° 45' E., 229 fathoms, coarse pebbles, black sand, bottom temperature °, 1 specimen; station 4804, off Simushir Island, lat. 46° 42' N.; long. 151° 47' E., 229 fathoms, coarse pebbles, black sand, bottom temperature °, 3 specimens. Type.—Cat. No. 25592, , from station 4804. This species is in its proportions much like vestitus, but it is not very near that species. The disk spinules, the arm spine
. Bulletin - United States National Museum. Science. 242 BULLETIN 15, UNITED STATES NATIONAL MUSEUM. Localities.—Albatross station 4803, off Simushir Island, lat. 46° 42' N.; long. 151° 45' E., 229 fathoms, coarse pebbles, black sand, bottom temperature °, 1 specimen; station 4804, off Simushir Island, lat. 46° 42' N.; long. 151° 47' E., 229 fathoms, coarse pebbles, black sand, bottom temperature °, 3 specimens. Type.—Cat. No. 25592, , from station 4804. This species is in its proportions much like vestitus, but it is not very near that species. The disk spinules, the arm spines, and the jaws furnish its most distinctive features. OPHIOLEBES PACHYBACTRA, new Disk 11 mm. in diameter; arms about 35 mm. long, probably. Disk covered with coarse scales, many of which bear stout club-. FlG. UG.—OPHIOLEBES PACHYBACTRA. X Q, FROM ABOVE; b, FROM BELOW; C, SIDE VIEW OF TWO ARM JOINTS NEAR DISK. shaped spines, which are much thicker at the tip than at the base. Radial shields moderate, roughly triangular, in contact distally but widely separated within. Upper arm plates triangular or rhombic, much wider than long, well separated from each other. Interbrachial spaces below covered by scales somewhat smaller than those of disk. Genital slits very large. Oral shields small, rounded rhombic, o-Uaxug, signifying thick, and ^iuczpov, signifying club, in reference to the very thick, club-like lower arm Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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