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Show 562 DR. J. ANDERSON ON RODENTS FROM YARKAND. [JllllC 20, fur coarse, and nearly 2\ inches in length, loose and not adpressed the black tips are not very long, and the yellow shows through them as a rule, but there are patches where they wholly obscure it; the base of the hair generally is rather rufous dark brown, and is succeeded by a broad rufous-yellow band, followed by the apical black one. Palm, including nails, 2^ inches ; sole, including nails, Z\% inches. The heel is more spar?ely clad with hairs along its margin than is the tarsus of A. bobac. The three specimens before m e were obtained, one at Malayon on the Tibetan side of the Tooglen pass, the other two by purchase at Darjeeling. They all present the above characters, with little or no variation. The deep rufous colouring of the underparts, the long coarse and loose hair, combined with the greater number of the caudal vertebrae, separate this species from A. bobac. It is probably the Marmot observed by Hooker in the Lachen valley to the south of Kinchinghow. Adams designates his A. bobac as the red Marmot of Europeans, and states that it abounds in the valley of the Dras river, Ladak, Wurdaun Pass, Cashmere, and at elevations on the neighbouring ranges from 8000 to 10,000 feet above the sea. LAGOMYS CURZONI_E, Hodgs. Lagomys curzoniee, Hodgs. Journ. As. Soc. Beng. xxvi. p. 207, Ann. & Mag. Nat. Hist. 1858, p. 80; Stoliczka, Journ. As. Soc. Beng. xxxiv. p. 108. Upper surface of body pale buff, tinged with rufous, the hairs tipped with brownish : sides slightly more rufescent; head markedly rufescent as far back as on a line with the ear. Ears rather large and oval, very obscurely pointed, clad internally with long fluffy rufous hair confined to the lower three-fourths of that surface ; the posterior three-fourths of the ear externally and internally margined with pale fulvous buff; the inside clothed with fine, rather short, buff hairs ; the lower internal margin with long pale yellowish-buff hairs. Sides of head and behind nose dirty white, tinged with fulvous. Shoulders in some adult females pronouncedly rufous buff. Under surface from chin to vent white, with a faint yellowish tinge, or mixed with slaty when the bluish base of the hairs shows through their whitish tips. Limbs externally and internally and soles of feet white, with a faint yellowish tinge. Whiskers mixed black and white. Nails and pads of feet black. Teeth pure white. The fur is moderately long, very fine and silky, and consists of three kinds of hairs. The ordinary hairs which constitute the bulk of the fur, and which measure |i of an inch in length, have the basal -^ of an inch dark slaty ; and the remaining terminal portion, when isolated, is seen to be a pale yellow, with a narrow brownish tip. With age the brown ends are worn off; but in young specimens, and even in adolescents, they are invariably present. Intermixed with these hairs there are numerous fine, curly, almost woolly ones, with the same markings and length, but not so intensely coloured. The third kind is a long, fine, bristle-like hair, 1 inch in length, very numerous on the upper and under surfaces, but not |