CALLULA. 263 



282. Microhyla berdmorii. 



Engystoma ? berdmorii, Blytli, Journ. Asiat. Soc. Bengal, xxiv, 



p. 720 (1855). 

 Microhi/la berdmorii, Bonleng. Cat. Batr. Ecaud. p. 166 (1882) ; 



id. Faun. Brit. Ind., Kept. p. 492 (1890); S. Flower, P. Z. S. 



1899, p. 906 ; Laidlaw, P. Z. S. 190U, p. 888 ; A. L. Butler, Journ. 



Nat. Hist. Soc. Bombay, xv, p. 390 (1904). 



Habit slender. Snout subacuininate, as long as or a little 

 longer than orbit. Eingers rather slender, first much shorter 

 than second, the tips swollen into very small disks ; toes long, 

 webbed to the tips, which are dilated into rather large disks ; sub- 

 articular tubercles very distinct ; two very small metatarsal 

 tubercles. The tibio-tarsal articulation i-eaches beyond the tip of 

 the snout ; tibia § as long as head and body. 8kiu smooth, or 

 with a few scattered tubercles on the back and sides. Brownish, 

 olive, or pinkish above ; a darker, light-edged, hourglass-shaped 

 large spot on the head and anterior part of the back, beginning 

 between the eyes, sometimes continued on the hind part of the 

 back ; black spots on the sides of the limbs and occasionally" on 

 the flanks; a chevron-shaped black marking on the anal region; 

 throat and breast clouded with brown, the remainder of the lower 

 surface whitish. Male with an internal vocal sac. 



From snout to vent 45 millim. 



Burma, Siam, Malay Peninsula, Sumatra, Eecorded from 

 Perak and Legeh, 



Elower describes this frog as nocturnal, frequenting the neigh- 

 bourhood of water, and an extraordinarily good jumper. 



Genus CALLULA. 

 Gray, Zool. Miscell. p. 38 (1831). 



Pupil round. Tongue oblong, entire and free behind. Palatine 

 bones forn)ing a sharp, sometimes toothed ridge across the palate ; 

 two dermal, more or less denticulated ridges across the palate, 

 in front of the (jesophagus. Tympanum hidden. Fingers free ; 

 toes free or webbed ; tips of fingers and toes more or less dilated. 

 Outer metatarsals united. No prsecoracoids : no omosternum ; 

 sternum cartilaginous. Diapophyses of sacral vertebra moderately 

 dilated. 



China and South-Eastern Asia. A single species iu tlie Malay 

 Peninsula. 



