196 



Records of the Indian Museum. 



[Vol.. XX, 



uniform or speckled with lighter. Lower parts white, uniform or 

 spotted or marbled with brown. 



Males with a small external vocal sac on each side of the 

 'throat, in front of the arm ; fore limb strong : a large pad on the 

 inner side of the first finger. 



Nasal bones narrow, oblique, widel}^ separated from each 

 other ; ethmoid largely exposed above, obtusely pointed in front, 

 extending to between the nasals. Terminal phalanges T-shaped. 



Tadpole with a large ventral sucking disc behind the mouth, 

 free on its borders, truncate in front, tail obtusely pointed, the 

 upper crest not extending to the base of the muscular part. 

 Beak black, each mandible formed of two pieces, separated in the 

 middle line by a considerable interspace ; these pieces ribbed and 

 strongly toothed ; lips large, lower with a fringe of papillae ; 2 

 uninterrupted and 3 lateral series of horny teeth in front, 4 uninter- 

 rupted and I lateral series behind. 



Eggs 2 millim. in diameter. 



Measurements, in millimetres. 



Habitat. Borneo (Mt. Kina Balu, N. Borneo, and Pata River, 

 Sarawak). 



107. Rana jerboa. 



Hylorana jerboa, Gunth. Proc Zool. Soc, 1872, p. 599, pi. xl. 



Rana jerboa, Bou\eng. Cat. Bah'. Ecaud. p. 6y (1882), Proc. Zool. Soc. 



1893, p. 526, and Ann. Mus. Genova {2) XIII, 1893, p. 335 ; M. 



Weber, Ann.Jard. Bot. Buitenz., Siippl. II, 1898, p. 10, fig.; S. 



Flower, Proc. Zool. Soc. 1899, p. 916 ; A. L. Butler, Jotirn. N.H. Soc. 



Bomb. XV, 1903, p. 199; van Kampen, in M. Weber, Zool. 



Ergebu. Reise Nied. O.-Ind. IV, p. 397 (1907)- ^^d Tijdschr. Ned. 



Ind. LXIX, 1909, p. 39, pi. ii, figs. 3-6; Bouleng., Faun. Mai, Pen., 



Rept. p. 244 (1912). 

 Rana masonii, Bouleng. Ann. and Mag. N.H. (5) XIII, i854, p. 397 ; 



Boettg., Ber. Offenb. Ver. Nat. 1892, p. 138. 



