BATKACHIA SALIENTIA. 77 



4. POLYPEDATES. 



Vomerine teeth. Skin smooth, sometimes with tubercles. Disks 

 largo ; membrane between the fingers short, in one species not con- 

 spicuoas ; toes broadly webbed. Tympanum chstinct ; eustachian 

 tubes moderate ; tongue large, broader, free and deeply notched be- 

 hind. Males generally wthout vocal sac. Asia ; Madagascar. 



Polypedatea, Dum. c^ Bihr. viii. p. 515. 



Rurgeria, Polypodates, Boophis, Tschudi, Batr. pp. 75, 76. 



Hyla, sp., Wieymann, Gray, Schleyel. 



1. Polypedates microtympanum. (Plate VI. fig. A.) 



Fingers very slightly webbed ; vomerine teeth in two short oblique 

 series between the inner nostrils. Skin of back neai'ly smooth ; 

 tympanum small, oval, one-third the Avidth of eye ; sldn of head not 

 adherent to the skull. 



a. Adult female. Ceylon. From Mr. Cuming's Collection. 

 h. Adult female. Ceylon. From Mr. Cuming's Collection. 



c. Half-grown male. Ceylon. From Mr. Cuming's Collection. 



d, e. Young. Ceylon. From Mr. Cimiing's Collection. 

 /. Adult. Madi'as. Presented by the Zoological Society. 



g-h. Half-grown and adult. Ceylon. From Mr. Cuming's Collec- 

 tion. 



Description. — Habit rather stouter than in P. maculatus. Head 

 rather short, with broad flat crown, ciu'ved and angular canthus I'os- 

 tralis, and sliort rounded muzzle ; loreal region somewhat grooved ; 

 nostril round, lateral, rather prominent, just below the canthus ros- 

 tralis, nearer the end of muzzle than the eye. Eye moderate ; tym- 

 panum small, oval, one-third the Avidth of eye ; extremities and disks 

 moderate ; second finger much longer than fii-st, fourth much longer 

 than second, thii-d rather longer than fom-th ; fingei's ■with a very 

 shght lateral cutaneous fold, hardlj^ webbed ; subarticular tubercles 

 very conspiciious ; fifth toe as much longer than fourth as the disk 

 is broad ; toes half- webbed ; a cutaneous fold reaching to the disk ; 

 subarticular tubercles verj' conspicuous ; metatarsus with a slight 

 tubercle. Sldn of back nearly smooth, or with a few scattered small 

 tubercles ; skin of the side and of the under parts tubercular ; upper 

 eyelid with some tubercles ; a glandular curved fold from the back 

 edge of eye above the tympanum to the arm-pit. Cleft of mouth 

 moderate ; tongue oval, deeply notched behind ; inner nostrils and 

 eustachian tubes rather small ; on each side of the palate a deep 

 groove ; vomerine teeth small, in two very short oblique series be- 

 tween the interior nostiils, with a large interval between. Colour 

 above either nearly uniform bluish grey or oUve, with regular black 

 markings ; a cross-band between the eyes ; a broad band on each 

 side of the back, ^\'ith a large interspace between more divergent in 

 front and behind ; extremities mth black points and large cross- 

 bands ; a black lateral streak beneath the canthus rostraHs and along 



