1899.] BATB.YCHIANS OF THE MALAY PEXl>fSUL.\. AND SIAM. S9 L 



eyelid. Tympauurn distinct, slightly larger than the eye. A 

 prominent tympanic fold. 



dingers moderate, 1st slightly longer than 2nd ; toes about 

 three-quarter webbed, the web reaching on the 4th toe " to scarcely 

 beyond the base of the third ultimate joint," on the otber toes to 

 the base of the tips, it is deeply emarginate. Tips of fingers and 

 toes dilated into small but distinct disks. Tarsal fold very slight. 

 Subarticular tubercles of toes well developed. Inner metatarsal 

 tubercle elongate, prominent ; practically no outer tubercle, a 

 mere white spot (this can be distinguished in Stoliczka's figure, 

 dorsal aspect, on the right foot). The hind limb being carried 

 forward along the body, the tibio-tarsal articulation reaches to the 

 nostril. 



Head smooth above, hinder half of the eyelid tuberculated : 

 skin of back with long longitudinal folds, with numerous small 

 tubercles between them ; loreal region, chin, angles of jaws, parts 

 of forearm, and sides of body scattered with small rounded 

 tubercles ; anal region densely studded with small tubercles ; back 

 of tibiae scattered with small tubercles, which are pointed and 

 prominent in life ; back of thighs, feet and lower surfaces of 

 throat, body and limbs smooth. Testicles white, 2*3 mm. in 

 length. 



Size. Length, snout to vent 39 mm.; arm 24; leg 68 ; femur 17"5; 

 tibia 21-5 ; foot 29 ; width of head 19 ; diameter of eye 4-25 ; 

 diameter of tympanum 4"5 ; length of inner metatarsal tubercle 3. 



Colour (in life). Above bronze (changing from bright yellowish 

 red to dull brown shades), \^ith a bright yellow narrow vertebral 

 line, a black chevron (pointing backwards) between the eyes ; the 

 tympanic fold and some of the longitudinal folds are edged with 

 black. Limbs with dark brown cross-bars. Belly very bright 

 sulphur-yellow ; underneath of chin, throat, and limbs yellowish 

 bronze. (In spirit the bronze colour of the upper surfaces turned 

 to olive-brown.) 



Ei/e. Pupil black (dark red in some lights), horizontal diamond- 

 shaped. Iris : a very narrow ring of red round pupil, remainder 

 golden, closely speckled with dark bronze, a narrow black vertical 

 line across iris and also a broad ill-defined black horizontal one. 



One specimen, d' , found in the jungle on Penang Hill, at an 

 elevation of about 2400 feet, 19tli March, 1898. It took wonderful 

 long hops. 



Distribution. Malay Peninsula (Penang). 



9. Eana tigrijta Daud. (Plate LIX. figs. 2, 2 a.) 



Rana tigrina, Blgr. Cat. Batr. Sal. p. 26 ; S. Flower, P. Z. S. 

 1896, p. 901. 



Siamese. " Kop " ; term also applied to other species of frogs. 



I found this species common on the Baugpakoug river (from 

 Tahkamen to Kabin) in March and April 1897, where it was to be 

 found among the sedges by the river's bank ; its croak (a load 

 " opp, opp, opp," repeated 8 or 9 times), which sometimes was 



