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Show 1899.] REPTILES OF THE MALAY PENINSULA AND SIAM. 675 mark which shows the bright yellow ground-colour through breaks in it and which does not join on to the dark upper parts, or else this mark may be a duller brown and larger aud joined to the dark upper parts either narrowly (only in the vertebral line) or broadly. Size. These five specimens varied from 265 to 293 mm. in total length. Hab. Malay Peninsula, Sumatra, Java, Borneo. 156. CALAMARIA PAVIMENTATA D. & B. Calamaria pavimentata, Blgr. Cat. Snakes, ii. p. 348; S. Elower. P. Z. S. 1896, p. 886. M. Mouhot obtained a specimen of this snake in Siam and two in the Laos Mountains ; these form the types of Calamaria siamensis Giinth. In April 1898 I saw three more individuals from Penang Hill, one caught at about 800 feet, the others at about 2000 feet. Hab. Burma, Siam, Cochinchina, Canton, Malay Peninsula, Java Series Opisthoglypha. Subfamily HOMALOPSINCE. 157. HYPSIRHINA INDICA (Gray). Hypsirhina indica, Blgr. Cat. Snakes, iii. p. 4, pl. i. fig. i. The only known specimens, the types in the British Museum, are supposed to be from the Malay Peninsula. Hab. Malay Peninsula ? 158. HYPSIRHINA PLUMBEA (Boie). Hypsirhina plumbea, Blgr. Cat. Snakes, iii. p. 5. Localities. The British Museum Catalogue mentions specimens from Pachebone, Siam (Mouhot), and from Penang (Cantor, Hard-wicke). I obtained one near Taiping, Perak, in Dec. 1899; two near Tahkamen, Siam, in March 1897 ; and one near Alor Star, Kedah, in May 1898. Habits. This snake apparently usually frequents freshwater-ponds or rivulets, but one I found under a stone some little distance from any water. When frightened, tbis species will bite fiercely at anything within reach. Colour (in life). Above dark olive-brown, with small irregular, scattered, black spots, and in one specimen (from Kedah) a series of small black spots along the vertebral line of the neck, and a black spot on either side of the head above the angle of the mouth. Lips and whole lower surface bright chrome- or saffron-yellow. A dark brown zigzag median line under the tail. Size. An individual from Tahkamen measured in total length 411 mm. Hab. Burma, South China, Formosa, Hainan, Siam, Malav Peninsula, Java, Borneo, Celebes. |