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Show 1881.] THE SURVEY OF H.M.S. 'ALERT.' 71 raised line on the posterior part of the carapace, and in the greatly dilated semicircular terminal joint of the postabdomen. Larger specimens from Sandy Point, named P. transversalis by Dr. Cunningham, differ in the obsolescence of the transverse raised line on the carapace, the considerably dilated chelipedes with denticulate dactyli, and the smaller, more transverse terminal joints of the post-abdomen, and seem to be more nearly allied to P.faba. The differences may be due to age, or may be of specific value. HEPATUS CHILENSIS. Hepatus chiliensis, M.-Edw. Hist. Nat. Crust, ii. p. 117 (1837). Hepatus chilensis, M.-Edw. & Lucas, in d'Orbigny's Voy. Amer. merid. vi. part i. Cr. p. 28, pi. xiv. fig. 1 (1843) ; Nicolet, in Gay's Hist, de Chile, Zool. iii. Cr. p. 174 (1849) ; Dana, U.S. Expl. Exp. xiii. Cr. i. p. 395, pi. xxv. fig. 3 (1852); Kinahan, Joum. Roy. Dublin Soc. i. p. 345 (1858); Heller, Reise der Novara, Cr. p. 70 (1865) ; Cunningham, /. c. p. 493 (1871) ; Miers, Proc. Zool. Soc. p. 656 (1S77). Four males were collected at Coquimbo, at a depth of 4 fathoms, on a sandy bottom. The coloration in all is of the normal type. PLATYMERA GAUDICHAUDI. Plaiymeragaudichaudii, M.-Edw. Hist. Nat. Cr. ii. p. 108 (1837) ; M.-Edw. & Lucas, in d'Orbignv'sVov. Amer. merid. Cr. p. 28, pi. xiii. fig. 1 (1843); Gay, Hist, de Chile/Zool. iii. Cr. p. 172 (1849). A young male was obtained at Coquimbo, length about 5 lines, breadth (exclusive of lateral spines) about 7 lines. This example differs from an adult male from Chili in the British-Museum collection, in the form of the carapace, which in the young male is much narrower in proportion to its length. LlTHODES ANTARCTICUS. Lithodes antarcticus, Jacq. & Lucas, Voy. Pole Sud, Zool. iii. Cr. p. 90, pi. vii. fig. 1 and pi. viii. fig. 9 (1855) ; Nicolet, in Gay's Hist. Chile, Zool. iii. Cr. p. 182 (1849)1; Dana, Cr. U.S. Expl. Exp. xiii. p. 427, pi. xxvi. fig. 15 (1852); Cunningham, /. c. p. 494 (1871). Two male examples of rather small size were collected-one from Puerto Bueno in 4 fathoms, and the other from Neesham Cove, Trinidad Channel, in shallow water ; another and larger individual is from Alert Bay, on the west coast of Patagonia. Dana records this species from Fuegia, and Gay from Chiloe. PARALOMIS VERRUCOSUS. Lithodes verrucosus, Dana, U.S. Expl. Exp. xiii. Cr. i. p. 428, pi. xvi. fig. 16 (1852); Cunningham, /. c. p. 494 (1871). Paralomis verrucosus, Stimpson, Proc. Ac. Nat. Sci. Phil. p. 231 (1858). Four male individuals were collected at Puerto Bueno, at a depth 1 The figure in the Atlas of the ' Voyage au Pole Sud ' was published before the description in Gay's work. |