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Show 612 MR. STANLEY S. FLOWER ON THE [May 16, seen it from Singapore. The British Museum Catalogue mentions one specimen from Siam (M. Mouhot), and I obtained one from the neighbourhood of Bangkok. Cantor says it feeds upon frogs, shell-fish, and animal offal. It can hiss when angry. Colour (in life). Carapace uniform intense black. Plastron entirely black, or black with some yellow mottlings, or rich dark brown with pale bands following the sutures of the shields, the most conspicuous being the median one. Head black, with conspicuous lemon-yellow spots, the principal being above the eye (this spot is prolonged forwards on to the tDp of the head), above the ear, and at the angle of the mouth, and an • irregular patch along each lower jaw to below the eye ; in some adult specimens these spots disappear, the whole head being deep black. Neck, hands, feet, limbs, and tail are deep black, the upper parts of the limbs are, however, sometimes pale-coloured. Claws born-colour. Iris dark brown. Size. The largest specimen I have measured I found in a pond in the jungle on low undulating hills near Jenan, Kedah. Length of carapace, following curve in median line . . 200 m m. Breadth „ „ „ 170 m m. The smallest, caught in Kedah, June 1898, had the carapace 53 m m . in length. Males and females do not seem to differ much in size. Hah. Tenasserim, Siam, Malay Peninsula, Sumatra, and Borneo. 8. CYCLEMYS PLATYNOTA Gray. Emys platynota, Cantor, p. 3. Notochelys platynota, Giinth. Rept. Brit. Ind. p. 17. Cyclemys platynota, Blgr. Cat. Chel. etc. p. 130. " Katong" of the Malays (apud Cantor). Localities. The Flat-backed Freshwater Tortoise lives in ponds and swampy jungles ; its occurrence seems rather strange. Cantor obtained it from Penang (apparently only a single specimen), but it has not been recorded from there since, and there was not one in the Ayer Etam Tortoise Temple when I visited it in April 1898. A. R. Wallace obtained it in Singapore, but apparently no more were seen in the island (Mr. Ridley informs m e that for seven years he never met this species) till 1897, when one was caught in the lake in the Singapore Botanical Gardens, and Dr. Hanitsch got three from Selitah, Singapore. Cantor says it inhabits the valleys of the Malay Peninsula, but unfortunately does not give the actual localities ; however, we now know of two places on the mainland where it occurs. First, in the Perak Museum there are several specimens from the low-lying country near Taipiug; second, in September 1897 I found eighteen individuals in the streams among the foot-hills of Gunong Pulai, Johore. Ldentification. In the P. Z. S. 1896, p. 859,1 wrote : «I have not made out to what species Cantor's Penang Tortoise belongs," referring to Giinther, R. B. I. p. 18, remarking that Cantor's Emys |