LIST OF THE NEW SPECIES OF REPTILES DISCOVERED BY THE LATE M. MOUHOT IN SIAM AND CAMBODIA.
By Dr. Albert Günther.
a. Tortoises.
1. Geoclemys macrocephala.
REPTILES.
The shell oblong, rather depressed, entirely three-keeled, olive-brown: the keels subcontinued, nearly parallel; the middle one higher and more distinct behind; the lateral ones, near the upper edge of the shields, continued, ending abruptly on the hinder edge of the third lateral discal shield: the hinder lateral and central shield only marked with a slight convexity: the margin entire, yellow edged: the under side yellow, with black triangular spots: the sternum flat, very indistinctly keeled on the side.
Animal black olive, head large; crown flat, covered with a single smooth plate, purplish-brown, with two streaks from middle of the nose; the upper edging the crown, the other the upper part of the beak, and with two streaks from the hinder edge of the orbit; the lower short and interrupted, extended on the temple; the upper broader and continued over the ear, along the side of the neck; two close streaks under the nostrils to the middle of the upper jaw, and two broad streaks dilated behind, down the front of the lower jaw, and continued on the edge of the lower jaw behind: the nape and hinder part of the side of the lower jaw covered with large flat scales: the rest of the neck and legs covered with minute granular scales: the front of the forelegs covered with broad band-like scales: the toes of the fore and hind feet rather short and thick, covered above with broad band-like scales. (Gray, Proc. Zool. Soc., 1859, p. 479, pl. 21.)
2. Cyclemys Mouhotii.
Shell oblong, pale yellow; back flattened above, with a dark-edged keel on each side: the vertebral plates continuously keeled, and rather tubercular in front: the margin strongly dentated: nuchal shield distinct. (Gray, Ann. and Mag. Nat. Hist., 1862, x. p. 157; Günth., Rept. Brit. Ind., pl. 4, fig. D.)