. Bulletin - United States National Museum. Science. ISOPODS OF NORTH AMERICA. 207 on either side of a keeled center; the out(M- branch of the uropods is ahnost twice as broad as the inner branch; thcv are abont etjual in length. Both are hinoiMl with hairs and indis- tinctly crenulate. The prehensile legs are stout and short. There are four spines on the propodus and six on tlu^ inerus, besides nunun'ous hairs. Tln^ gressorial legs are likewise stout and rurnishcd with spines and hairs. The specimen described came from Alaska, otl Tnimak Island, station o22r>, S5 fathoms (Cat. No. '20088,


. Bulletin - United States National Museum. Science. ISOPODS OF NORTH AMERICA. 207 on either side of a keeled center; the out(M- branch of the uropods is ahnost twice as broad as the inner branch; thcv are abont etjual in length. Both are hinoiMl with hairs and indis- tinctly crenulate. The prehensile legs are stout and short. There are four spines on the propodus and six on tlu^ inerus, besides nunun'ous hairs. Tln^ gressorial legs are likewise stout and rurnishcd with spines and hairs. The specimen described came from Alaska, otl Tnimak Island, station o22r>, S5 fathoms (Cat. No. '20088, ). Dixtrlhiitlon. — One specimen was found off San Luis Obispo Ba}', California, station ^^U);"), 252 fathoms; one oil' Esteros Bay. California, station 3194, 92 fath- oms, and another at Puget Sound, Washing- ton, station 30 6 7, 82 fathoms. The specimens from the coast of California are smaller in size and of very nmch lighter color than the other specimens. They are similar in other respects. A specimen from Ja- pan, one from Esteros Bay, and one from San Luis Obispo Bay, Cali- fornia, have four spines on the merus of the pre- hensile legs. This species differs from R. iiiodesta Hansen in the larger eyes, which are also closei' together than in that species, the differently shaped head and the wider outer branch of the 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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