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Show 334 PROF. R. COLLETT ON MAMMALS [Mar. 16, lighter, the hairs here being brownish yellow throughout); half and lower surface blackish. Size rather large; length of an adult male (measured in the skin) from tip of snout to vent about 330 mm., tail 295 mm. (the tail thus is both relatively and absolutely louger than in specimens described by Thomas, I. c p. 270). Skull. Size of an adult male : length 69 mm., breadth 44 mm., nasals 25 mm., upper TO1-3 13 mm., length of palate 35 mm. Hab. Throughout Arnhem Land, but nowhere common. It lives on trees and amongst rocks. Native names : Jirian, Tjabbo. 28. PHASCOLOGALE PENICILLATA (Shaw), 1800. Phascologale penicillaia, Thos. Cat. Mars. Monotr. Brit. Mus. p. 294 (1888); Ogilby, Cat. Austral. Mamm. p. 12 (1892). N. Australia: Daly River, Oct. 10th, 1894 (two young ones). Fountain Head, May 5th, 1895 (one specimen). Union Town, May-July 1895 (five specimens). N. W, Australia : Roebuck Bay, Feb. 3rd, 1896 (one specimen). Young. Two specimens (size of a mouse), male and female. Tail-brush already well developed. Upper l1 not yet visible, c half-grown, m3 not developed. P4 is the milk premolar, very small, about half the size of p3. Hab. Common in the interior of Arnhem Land, more scarce at Roebuck Bay. Native name: Wombo. * 29. PHASCOLOGALE FLAVIPES LEUCOGASTER, Gray, 1841. Phascologale flavipes, var. leucogaster, Thos. Cat. Mars. Monotr. Brit. Mus. p. 291 (1888); Ogilby, Cat. Austral. Mamm. p. 13 (1892). N. Australia : Daly River, July 1894 (one specimen, in spirit). Skin. The tail being imperfect, the specimen cannot be determined with absolute certainty, but there is nothing to prevent it from being the north-western form of P. flavipes. Hab. Only one specimen from Arnhem Land. 30. SMINTHOPSIS NITELA, n. sp. Diagn. Allied to S. leucopus (Gray), but characterized by a central stripe from muzzle to forehead, incrassated tail, and smooth (not striated) pads. Measurements (from specimens in spirit) :- mm. mm. Length of head and body 89 70 Tail 99 88 Sole, from heel to tip of claws 22 18 |