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Show 70 ZOOLOGICAL COLLECTIONS M A D E DURING [JAN. 4, SESARMA ANGUSTIPES? Sesarma angustipes, Dana, U.S. Explor. Exped. xiii. Cr. i. p. 358, pi. xxii. fig. 7 (1852) ? ; Cunningham, Trans. Linn. Soc. Zool. xxvii. p. 493 (1871); Smith, Trans. Conn. Ac. ii. p. 37 (1869); nee Stimpson, Ann. Lye. Nat. Hist. N e w York, vii. p. 66 (1858). To this species I refer, with considerable hesitation, a male example collected at Rat Island, Monte Video, with Chasmognathus granulatus. It is certainly not identical with specimens received from the Smithsonian Institution, from Florida and the Tortugas, under the name of S. angustipes (probably so named by Dr. Stimpson); but it appears to agree more nearly in the distinctly granulated carapace and hand and mobile finger of the anterior legs with Dana's description than do these specimens. In these latter the hand and fingers are nearly smooth, and the carapace is more convex toward the antero-lateral angles. If the Floridan species be not the true S. angustipes, Dana, it may be designated tS1. stimpsonii. Dana gives merely South America as the habitat of S. angustipes. Prof. S. I. Smith has pointed out that there can be little doubt that Dana's specimens were collected at Rio de Janeiro ; a specimen from this locality is also referred to this species by Dr. Cunningham, which I have examined and find to be identical with the Monte- Videan example. They come nearer to S. cinerea, Bosc (of which the Museum also possesses specimens from the Smithsonian Institution, from Carolina), being only distinguished by the more convex and distinctly granulated carapace and strongly granulated hands. HALICARCINUS PLANATUS. Cancer planatus, Fabr. Ent. Syst. ii. p. 446 (1793). Halicarcinus planatus, White, Ann. & Mag. Nat. Hist xviii. p. 178, pi. ii. fig. 1 (1846); Cunningham, Trans. Linn. Soc. Zool. xxvii. p. 492 (1871) ; Miers, Phil. Trans, clxviii. p. 201 (1879), ubisynon. This widely spread inhabitant of the Antarctic region is very common in the Straits of Magellan, where its occurrence at many localities was noted by Dr. Cunningham. Dr. Coppinger's specimens were from Elizabeth Island, 6 fathoms, on a sandy bottom (two females); Sandy Point, 9-10 fathoms (one female); Cockle Cove, 2-32 fathoms, on a muddy bottom (one female) ; Trinidad Channel, 4 fathoms, on a bottom of fine sand (one male and one young). PlNNIXA TRANSVERSALIS. Pinnotheres transversalis, M.-Edw. & Lucas, in d'Orbigny's Voy. Amer. merid. Cr. p. 23, pi. x. fig. 3 (1843); Gay, Hist, de Chile, Zool. iii. Cr. p. 156 (1849) ; Cunningham, Trans. Linn. Soc. Zool. xxvii. p. 492 (1871) ? Pinnixa transversalis, M.-Edw. Ann. Sci. Nat. ser. 3, Zool. p. 220 (1853). A male of rather small size is in the collection from Coquimbo. This example agrees exactly with the description of M.-Edw. and Lucas in possessing small and tomentose chelipedes, a transverse |