KHACOPHOUUS. 247 



Genus RHACOPHORUS. 



Kuhl, Isis, 1827, p. 294. 



Pupil hoi'izontal. Tougne free and deeply notched behind. 

 Vomerine teeth. Tympanum usually dislinct. i'ingers free or 

 more or less webbed ; toes webbed ; tips of fingers and toes 

 dilated into regular disks. Outer metatarsals separated by web. 

 Omosternum and sternum with a bon\- style. An intercalary 

 ossihcatiou between the penultimate and distal phalanges ; latter 

 usually bifurcate. 



Eastern and South-Eastern Asia aud Madagascar. Five species 

 are known from the Malay Peninsula. 



Arboreal frogs, remarkable for the frothy masses containing 

 eggs which nuiny species deposit outside the water, some even in 

 the form of nests attached to the leaves of a tree or shrub over- 

 hanging a pool (see H. S. Eerguson, Journ. Nat. Hist. Soc. Bombay, 

 XV, 1904, p. 50a, pi. C). 



Syaojisis of the SiJec'ies. 



I. Fingers free or with a rudiment of web. 



Upper parts very warty R. leprofsun, p. 247. 



Upper parts smooth, upper surface of head 



rutfose in the adult 7^. hucomystax, p. 248. 



II. Fingers entirely webbed. 



No cutaneous folds along the lunhs ; loreal 



region nearly vertical R. rubinsonii, p. 249. 



Cutaneous folds along the lind:)s and above 



the vent feebly developed ; loreal region 



oblique R. bimacnlnttis, p. 250. 



Cutaneous folds along the limbs aud above 



the vent strougly developed ; loreal region 



oblique R. ni<jropabnatus, p. 251. 



263. Rhacophonis leprosus. 



ThdoOerma Jeproswn, Tschudi, N. Class. Batr. pp. -32 & 73 (1838) ; 



Horst, Notes Leyd. Mus. v, p. 237 (1883). 

 HijJa leprosa, Schleg. Hand). Dierk. p. 55, pi. iv, fig. 68 (1857). 

 Puh/pedates leprosus, Glinth. Ann. & Mag. Nat. liist. (5) xx, p. 315, 



pi. xvi, tig. A (1887). 

 Rhacophoms leprosus, l^ouleug. P. Z. S. 1890, p. 284; S, Flower, 



P. Z. S. 1896, p. 907 : A. L. Butler, Journ. Nat. Hist. Soc. 



Bombay, xv, p. 203 (1903) ; Robinson, Journ. Fed. Malay States 



Mus. i, p. 29 (1905). 



Vomerine teeth in two short transverse series touching the 

 inner front edges of the choanse. Snout rounded, as long as the 

 ■orbit ; canthus rostralis distinct ; loreal region concave ; nostril 

 nearer end of snout than eye ; interorbital space broader than the 



