. Bulletin - United States National Museum. Science. 164 BULLETIN d1, UNITED STATES NATIONAL MUSEUM. Middle San Francisco Bay: 9 to 7 fathoms; fne., semiliquid brown- ish-gy. M.; lemp. ° C; Feb. 6, 1912; station 5706, Albatross; 1 male (48439); with shortish thumbs, fingers gaping, palms almost smooth. 7^ to 9 fathoms; sft. gy. M.; temp. ° C; Feb. 28, 1912; station 5718, Albatross; 1 female (48444); with long thumbs, nongaping fingers and granulate palms. 8^ fathoms; very muddy S.; temp. ° C; Dec. 18, 1912; station 5825 A, Albatross; 1 female (48443); with unequal chelae, long t
. Bulletin - United States National Museum. Science. 164 BULLETIN d1, UNITED STATES NATIONAL MUSEUM. Middle San Francisco Bay: 9 to 7 fathoms; fne., semiliquid brown- ish-gy. M.; lemp. ° C; Feb. 6, 1912; station 5706, Albatross; 1 male (48439); with shortish thumbs, fingers gaping, palms almost smooth. 7^ to 9 fathoms; sft. gy. M.; temp. ° C; Feb. 28, 1912; station 5718, Albatross; 1 female (48444); with long thumbs, nongaping fingers and granulate palms. 8^ fathoms; very muddy S.; temp. ° C; Dec. 18, 1912; station 5825 A, Albatross; 1 female (48443); with unequal chelae, long thumbs, nongaping fingers and granulate palms. Lower San Francisco Bay; 9^11 fathoms; bk. stky. M. Sh. Clinkers; temp. ° C; Mar. 6, 1912; station 5723, Albatross; 1 female holotype (48441). With long thumbs, non-gaping fingers and granulate palms. PINNIXA HIATUS, new species. Plate 36, figs. 1-4. Type-locality.—Off Catalina Island, California; 50 fathoms; H. N. Lowe; 1 female holotype (Cat. No. 29949, ). Diagnosis.—Dactyli of legs styliform. Fingers gaping; propodal finger shorter, subtruncate at tip; a ridge near outer margin of each finger. Posterior margin of carapace long. Description of female.—Carapace very wide, narrowed at sides, antero-lateral margin arcuate without a definite angle and marked by a raised and finely granulate edge up to hepatic region; posterior margin very long and straight; front advanced, widely emarginate in dorsal view. Surface smooth^, sparingly punctate, a groove behind gastric region. Subhepatic region prominent. Orbits oval, filled by eyes. Palm suboblong, upper margin convex, lower ^ ^L"- margin of palm and thumb sinuous, a granu- LiPED Off FEMALE HOLo- latcd rldgo on distal half just above lower edge. TXPE, X i9i. ^ corresponding ridge on dactylus. Thumb definitely shorter than dactylus and curving up toward it, extremity obliquely notched by means of a tuberculiform tooth. Dactylus curved, a tooth jus
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