. Bulletin - United States National Museum. Science. 60 BULLETIN 129, UNITED STATES NATIONAL MUSEUM INACHOroES MICRORHYNCHUS Milne Edwards and Lucas Plate 22, figs. 1 and 2 Xiphus margaritifere Eydoux and Souleyet, Voy. Bonite, atlas, 1842 (?) pi. 1, figs. 1-6 (type-locality, Cobija, Chile; type in Paris Mus.). Inachoides microrhynchus Milne Edwards and Lucas, d'Orbigny's Voy. l'Am6r. M^rid., vol. 6, pt. 1, Crust., 1843, p. 5; atlas, vol. 9, 1847, pi. 4, figs. 2-2jn (type-locality, Chile; type in Paris Mus.).—Nicolet, in Gay, Hist. Chile, Zool., vol. 3, Crust., 1849, p. 126 {micrornynchus).—Mi
. Bulletin - United States National Museum. Science. 60 BULLETIN 129, UNITED STATES NATIONAL MUSEUM INACHOroES MICRORHYNCHUS Milne Edwards and Lucas Plate 22, figs. 1 and 2 Xiphus margaritifere Eydoux and Souleyet, Voy. Bonite, atlas, 1842 (?) pi. 1, figs. 1-6 (type-locality, Cobija, Chile; type in Paris Mus.). Inachoides microrhynchus Milne Edwards and Lucas, d'Orbigny's Voy. l'Am6r. M^rid., vol. 6, pt. 1, Crust., 1843, p. 5; atlas, vol. 9, 1847, pi. 4, figs. 2-2jn (type-locality, Chile; type in Paris Mus.).—Nicolet, in Gay, Hist. Chile, Zool., vol. 3, Crust., 1849, p. 126 {micrornynchus).—Miers, Proc. Zool. Soc. London, 1881, p. 65.—Rathbun, Proc. U. S. Nat. Mus., vol. 38, 1910, p. 533, pi. 36, fig. 1. Inachoides inornatus A. Milne Edwards, Journ. Mus. Godeflfroy, vol. 4, 1873, p. 77 (type-locality, "les ties Viti;" " type in Mus. Godeflfroy, Hamburg).—Ortmann, Zool. Jahrb., Syst., vol. 7, 1893, p. 38. Diagnosis.—Carapace tuberculate and granulate. Postorbital tooth with anterior margin transverse. Antennal spines incurved at tip. Chelipeds longer than ambulatory legs. Description. — Cardiac region surmounted by a tubercle and perhaps a few granules, otherwise smooth. Gastric region with two median tubercles, the anterior of which is the largest of a transverse row of five; each of the terminal tubercles of this row has usually a tu- bercle in front of it. Branchial region with two irregular, longitudinal series of tubercles, one marginal, the other considerably higher and sep- arated from the first and from the inner border by a smooth space. Hepatic region with mar- ginal tubercles, a larger one at anterior angle. Rostrum triangular, longer than its width at base, acute, and Math a shallow median sulcus in its posterior half. Orbital border elevated, granulate, surmounted by a tubercle or blunt tooth, Postorbital tooth triangular, its ante- rior border transverse or nearly so. Abdomen of both sexes medially carinate, a tubercle on the
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