. Alaska ... Natural history; Scientific expeditions. 142 RATHBUN first to fourth segments of the abdomen have a median carina, usually sharp and high on the first three segments but not extending the full length of each segment. Dimensions.—Female, length mm., length of carapace mm. Male, length mm., length of carapace mm. Distribution.—From Bering Sea, near the Pribilof Islands, to Oregon, including Puget Sound, 24-121 fathoms. Taken by the Albatross at 38 stations. Also collected by W. H. Dall at the following locahties: Iliuliuk, Unalaska, 3-6 fathoms; Captains Bay, Una
. Alaska ... Natural history; Scientific expeditions. 142 RATHBUN first to fourth segments of the abdomen have a median carina, usually sharp and high on the first three segments but not extending the full length of each segment. Dimensions.—Female, length mm., length of carapace mm. Male, length mm., length of carapace mm. Distribution.—From Bering Sea, near the Pribilof Islands, to Oregon, including Puget Sound, 24-121 fathoms. Taken by the Albatross at 38 stations. Also collected by W. H. Dall at the following locahties: Iliuliuk, Unalaska, 3-6 fathoms; Captains Bay, Unalaska; Shahafka Cove, NECTOCRANGON CRASSA Rathbun. Nectocrangon crassa Rathbun, The Fur Seals and Fur-Seal Islands of the North Pacific Ocean, Pt. Ill, 556, 1899. Female.—Body stout. Carapace more than one third the length of the abdomen; three strong equidistant spines on the median carina; between the first of these spines and the spine on the ante- rior margin there is a small tooth or spinule. Lat- eral carina well marked. Antennal spine not reaching the antennal scale. Spine of scale extending well beyond the blade. Fig. 84. Nectocrangon crassa. ? (Xif). Sta- tion 3245. a. Dorsal view of carapace and ab- The hand of the first pair of feet is ^omen. b. side view, a little more than three times as long as wide; its anterior margin is longi- tudinally oblique; the spine is short and stout. Sternal crest of male armed with spines. Abdomen slighdy sculptured; first to fifth segments furnished with a blunt median carina; sixth and seventh segments having two carinae, those of the sixth segment converging and disappearing toward the posterior margin; this margin has Fig. 85. Nee a large lobe at the supero-lateral angles; the fourth, fifth, tocraiigon crassa. i «j j « (X if), sta- and sixth segments have a small tooth or spine at infero- tion 3245. a. Aci- . cie. b. Chela, posterior angles. jl/a/<r. —Smaller and more slender than female; abdominal carinse str
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
