. Bulletin - United States National Museum. Science. a Figure 24.—Erimacrus isenbeckii. a. Female abdomen and sternum, b. Epistome. c. Bristle from carapace, enlarged. After Benedict upper surface as far as the middle of the dactylus; a row of spines on anterior surface of carpus and propodus, on lower margin of propodus and base of dactylus. Dactyli tw^ce as long as propodi, having a deep groove through the middle of each side, a finer groove higher up which disappears toward the proximal end, and a superior groove broad and shallow on the proximal half onl3^ The crab is hairy all over, the h


. Bulletin - United States National Museum. Science. a Figure 24.—Erimacrus isenbeckii. a. Female abdomen and sternum, b. Epistome. c. Bristle from carapace, enlarged. After Benedict upper surface as far as the middle of the dactylus; a row of spines on anterior surface of carpus and propodus, on lower margin of propodus and base of dactylus. Dactyli tw^ce as long as propodi, having a deep groove through the middle of each side, a finer groove higher up which disappears toward the proximal end, and a superior groove broad and shallow on the proximal half onl3^ The crab is hairy all over, the hair longest on the maxillipeds, anterior sternum, inner surface of chelipeds, and lower margins of legs. Measurements.—Male (47266), total length of carapace , width of same 125, fronto-orbital width , width of front at base, between antennae, 25 mm. Range.—From Cooks Inlet, Alaska, westward and northward to the Pribilof Islands (Bering Sea) and Kamchatka, thence southward to Korea and southern Japan. Material examined.—See table, pages 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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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience