. Bulletin - United States National Museum. Science. OXYSTOMATOUS AND ALLIED CRABS OF AMERICA Ql ANALOGOUS SPECIES OF ETHUSINA ON OPPOSITE SIDES OF THE CONTINENT Atlantic abyssicola. Pacific srnithiana. ETHUSINA ABYSSICOLA Smith Figure 21; Plate 26, Figure 1; Plate 27, Figure 1 Ethusina abyssicola Smith, Rept. U. S. Comm. Fish and Fisheries for 1882, p. 349 [5], pi. 2, fig. 1, la, 1884 (type locality, off Nantucket Shoals, 1,731 fathoms; types U.S.N.M. no. 7119, and in P.M.Y.U.); ibid., for 1885, p. 635 [31], 1886.—Bouvier, Bull. Soc. Philom. Paris, ser. 8, vol. 9 (1896- 1897), p. 66 [13], 189
![. Bulletin - United States National Museum. Science. OXYSTOMATOUS AND ALLIED CRABS OF AMERICA Ql ANALOGOUS SPECIES OF ETHUSINA ON OPPOSITE SIDES OF THE CONTINENT Atlantic abyssicola. Pacific srnithiana. ETHUSINA ABYSSICOLA Smith Figure 21; Plate 26, Figure 1; Plate 27, Figure 1 Ethusina abyssicola Smith, Rept. U. S. Comm. Fish and Fisheries for 1882, p. 349 [5], pi. 2, fig. 1, la, 1884 (type locality, off Nantucket Shoals, 1,731 fathoms; types U.S.N.M. no. 7119, and in P.M.Y.U.); ibid., for 1885, p. 635 [31], 1886.—Bouvier, Bull. Soc. Philom. Paris, ser. 8, vol. 9 (1896- 1897), p. 66 [13], 189 Stock Photo](https://c8.alamy.com/comp/RG7T37/bulletin-united-states-national-museum-science-oxystomatous-and-allied-crabs-of-america-ql-analogous-species-of-ethusina-on-opposite-sides-of-the-continent-atlantic-abyssicola-pacific-srnithiana-ethusina-abyssicola-smith-figure-21-plate-26-figure-1-plate-27-figure-1-ethusina-abyssicola-smith-rept-u-s-comm-fish-and-fisheries-for-1882-p-349-5-pi-2-fig-1-la-1884-type-locality-off-nantucket-shoals-1731-fathoms-types-usnm-no-7119-and-in-pmyu-ibid-for-1885-p-635-31-1886bouvier-bull-soc-philom-paris-ser-8-vol-9-1896-1897-p-66-13-189-RG7T37.jpg)
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. Bulletin - United States National Museum. Science. OXYSTOMATOUS AND ALLIED CRABS OF AMERICA Ql ANALOGOUS SPECIES OF ETHUSINA ON OPPOSITE SIDES OF THE CONTINENT Atlantic abyssicola. Pacific srnithiana. ETHUSINA ABYSSICOLA Smith Figure 21; Plate 26, Figure 1; Plate 27, Figure 1 Ethusina abyssicola Smith, Rept. U. S. Comm. Fish and Fisheries for 1882, p. 349 [5], pi. 2, fig. 1, la, 1884 (type locality, off Nantucket Shoals, 1, 731 fathoms; types U.S.N.M. no. 7119, and in P.M.Y.U.); ibid., for 1885, p. 635 [31], 1886.—Bouvier, Bull. Soc. Philom. Paris, ser. 8, vol. 9 (1896- 1897), p. 66 [13], 1898; Rcsultats de campagnes scientifiques . . Monaco, vol. 62, p. 53, pi. 2, fig. 1 (col.), 1922.—A. Milne Edwards and Bouvier, Crustaces decapodes provenant cles campagnes du yacht VHirondelle (supplement) et de la Princesse-Alice, fasc. 13, p. 18, 1899; Expeditions- scientifiques du Travailleur et du Talisman, 1880-1883, pt. 1, Crustaces, Decapodes, p. 29, pi. 1, fig. 6 (col.), 1900. Ethusa {Ethusina) abyssicola Doflein, Wissenschaftliche Ergebnisse der deutsch- en Tiefsee-Expedition . . Valdivia, 1898-1899, vol. 6, p. 31, pi. 13, figs. 1, 2, 1904. Ethusina abyssicola iypica Ihle, Zool. Anz., vol. 46, p. 360, 1916; Die Decapoda Brachyura der >Si6ogra-ExpedItion, monogr. 39b', p. 147, 1916. Diagnosis.—Outer orbital tooth directed outward, not overreach- ing eye. Dactyl of second ambulatory sensibly longer than that of first.. Figure 21.—Ethusina abyssicola, male: a, Dorsal view, natural size; 6, front and oral region, X2. After Smith. Description.—IVIale. Carapace at branchial regions as broad as the length to middle of front, but much narrowed anteriorly, the breadth of front being about three-eighths of length. Submedian teeth of front triangular, slightly upturned and separated by a tri- angular sinus broader and deeper than the rounded antennular sinuses, while the lateral teeth are spiniform and longer than the middle teeth but more strongly upturned, so that t