. Bulletin - United States National Museum. Science. 254 BUKLETIK 120. UNITED STATES NATIONAL MUSEUM Hyas araneus Leach, Edin. Encyc, vol. 7, 1814, p. 431; Malac. Podoph. Brit., 1816, pi. 21A, colored, and explanatory text.—Rathbtjn, Proc. U. S. Nat. Mus., vol. 16, 1893, p. 67, and synonymy; in Grenfell, Labra- dor, 1909, p. 481.—BiRULA, Annuaire Mus. Zool. Acad. Imp. Sci. St. P^tersbourg, vol. 11, 1906 (1907), p. 4.—Hansen, Danish Ingolf-Exped., vol. 3, part 2, 1908, p. 13, except Brandt's and Stuxberg's records.— BiRULA, M6m. Acad. Imp. Sci. St. Petersbourg, ser. 8, vol. 29, 1910, p. 4, pi.
. Bulletin - United States National Museum. Science. 254 BUKLETIK 120. UNITED STATES NATIONAL MUSEUM Hyas araneus Leach, Edin. Encyc, vol. 7, 1814, p. 431; Malac. Podoph. Brit., 1816, pi. 21A, colored, and explanatory text.—Rathbtjn, Proc. U. S. Nat. Mus., vol. 16, 1893, p. 67, and synonymy; in Grenfell, Labra- dor, 1909, p. 481.—BiRULA, Annuaire Mus. Zool. Acad. Imp. Sci. St. P^tersbourg, vol. 11, 1906 (1907), p. 4.—Hansen, Danish Ingolf-Exped., vol. 3, part 2, 1908, p. 13, except Brandt's and Stuxberg's records.— BiRULA, M6m. Acad. Imp. Sci. St. Petersbourg, ser. 8, vol. 29, 1910, p. 4, pi. 1, fig. 1.—Dons, Troms0 Mus. Aarshefter 34, 1912-13, p. 146, pi. 1, figs. 1-13; pi. 2, figs. 1 to 8, 11; pi. 3, figs. 1 & 2, text-figs. A 1, 3, 5 & 7, B 1 & la, C; 37, 1914 (1915), p. 86. —Von Hofsten, K. Sv. Vet. Akad. Handl., vol. 54, 1916, p. 63. Hyas coardatus, var., Hoek, Niederl. Archiv f. Zoologie, Suppl. vol. 1, Lief. 3, 1882, p. 3, pi. 1, fig. 1. Hyas coardata Stuxberg, Vega-Exp. Vetensk. lakt., vol. 5, 1886, p. 51. Hyas araneus, var. hoeki Birula, An- nuaire Mus. Zool. Acad. Imp. Sci. St. Petersbourg, vol. 2, 1897, p. 442 [38] (type-locality, White Sea, 3-100 fathoms; type in Petrograd Mus.); vol. 4, 1899, p. 37 [18], text-fig. 3. Hyas araneus hoeki Birula, Mem. Acad. Imp. Sci. St. Petersbourg, ser. 8, vol. 29, 1910, p. 3, and Diagnosis.—Carapace sub triangular; -\ \ hepatic region not dilated laterally. Fig. 92.—Hyas araneus (10031), maxilli- Basal autennal article sub triangular, FED, X narrowing anteriorly (fig. 90, a). Description.—Carapace very convex antero-posteriorly, strongly deflexed in front of the middle of the gastric region. Rostral horns contiguous. Lateral margins of carapace tuberculate behind the postorbital tooth, converging anteriorly throughout their length, or in small specimens the margins of the postorbital teeth may be parallel; marginal line interrupted between hepatic and branchial regions by a s
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