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Show 1900.] MAMMALS OF SIAM AND THE MALAY PENINSULA. 353 104. PTEROMYS PUNCTATUS Gray. The Spotted Flying-Squirrel. Distribution. Malacca and Burma (vide Blanf. Faun. Ind., Mamm. p. 366). 105. PTEROMYS TEPHROMELAS Giinth. 0. Thomas (P. Z. S. 1886, p. 74) records two specimens collected by Davison, one from Klang, Selangor, and one from Jaffaria, Johore. 106. SCIUROPTERUS ALBONIGER Hodgs. The Parti-coloured Flying-Squirrel. Distribution. " The Himalayas from Nepal eastward, at an elevation of 3000 to 5000 feet. Found also in the hills south of Assam, in Manipur, Yunnan, and Siam. Some skins in the British Museum from Borneo are also referred to this species." (Blanf. Faun. Ind., Mamm. p. 367.) 107. SCIUROPTERUS SAGITTA (Linn.). Horsfield's Flying- Squirrel. Sciuropterus horsfieldii, Cantor, p. 45. Sciuropterus sagitta, Blanf. Faun. Ind., Mamm. p. 367. Of this species Cantor obtained a single skin, from Kedah. In the Museum at Taiping I saw two specimens from Larut, Perak. Distribution. Burma, Cambodia, Malay Peninsula (Kedah, Perak), Sumatra ?, Banka, Java. Personally, the only place where 1 have seen Sciuropterus alive was on Penang Hill, at about 2200 feet elevation. On the 17th March, 1896, I noticed two grey ones going from tree to tree in bright daylight; and on the 29th March, 1898,1 obtained a male specimen near the same spot; I do not know to which species it belongs, the large ears have no pencils of hair at the base. Colour. Above dark grizzled brown, plentifully sprinkled with rich rufous yellow (underfur of back grey, hairs dark brown tipped with rufous yellow). Tail, upper surface nearly uniform dove-coloured brown. Below, very pale lemon-yellow^ under the head, neck, and body; pale rufous under the parachute; light red under the tail. A dark patch round eye. Cheeks rufous yellow. Nose, chin, and ears pale mouse-colour. The fringe of hair on the anterior margin and corner of the lateral flying-membrane is above rich rufous, and below buff turning to a warm reddish yellow at the edge. Size:- Head and body 188 mm. about ^ inches. Tail, without hair 195 „ „ 7| „ Tail, with hair 220 „ „ 8| „ Hind-foot, without claw .. 34 „ Ear 22 „ Extent ... 305 „ „ 12 „ |