BUFO. 501 



Distribution. Tlie true Toads form a large genus, about 85 

 species being known. They are found iu every part of the world 

 except Madagascar, Australia, Xew Guinea, and the Islands of the 

 Pacific, 



Synopsis of Indian, Ceylonese, and Burmese Species. 



A. Head without hony ridges. 



a. First tinger shorter than second. 



a' . Parotoids none B, pulcher, p. •'iOl. 



//. Parotoids narrow, elongate /?. kehtartii, p. 502. 



b. First tinger as long as second or longer. 

 a'. Tympanum as large as the eye and close 



to it. 



u" . Skin smootli or nearly so B. hololiiis, p. 502. 



h". Skin rough, tubercular B, macrotis, p. 502. 



h' , Tympanum smaller than eye. 



fi" . Tympanum very small or indistinct; 



no tarsal fold //. Iieddomii, p. 503. 



h" . Tympanum about half diameter of 

 eye; a tarsal fold. 

 a. Subarticulartuberclesof toosdouble. B. lata>itii, p. 503. 

 /ii. Subarticulartuberclesof toes single. B. ciridis, p. 504. 

 c". Greatest diameter of tympanum 

 two thirds that of aye. 



a. A tarsal fold B. andersonii, p. 504. 



^. No tarsal fold B. olivaceus, p. 504. 



B. Head with bony ridges. 



a. No parietal ridges ; x)arotoids elliptical, 



elongate. 

 a . Tympamuu ^mall. 



a". Cranial ridges rather indistinct .... B. hiinalayanus, p. 505. 



b'' . Cranial ridges very distinct B. microfi/)npam(m, 



b'. Tympanum at least two thirds the [p. 505. 



diameter of the eye . B. melanostictus, 



b. Parietal ridges. [p. 505. 

 «'. Tynipaniun two thirds diameter of eye. B. parietcdis, p. 507. 



b' . Tympanum as large as eye B. liporcatus, p. 507. 



c. No parietal ridges : parotoids short, round- 



ish or subtriangular B a.'^per, p. 507. 



1<)4. Biifo pulcher. 



Ansonia ornata, Gi'inth. P. Z. S. Is75, p. 5G8, pi. Ixiii, fig. A. 

 Bufo pulcher, Boideny. Cat. Batr. Sal p. 288. 



Habit slender. Crown without bony ridges ; snout short, 

 obliquely truncated, with angular cantluis rostralis and vertical loreal 

 region ; interorbital space a little broader than the upper eyelid ; 

 tympanum distinct, about half the size of the eye. Eiugers 

 x-ather slender, first much shorter than second ; toes short, nearly 

 entirely webljcd : suljarticular tubercles single, not \'ery promi- 

 nent ; tips of fingers and toes slightly swollen ; metatarsal tu- 

 bercles two, not very prominent; no tarsal fold. The hind limb 

 being carried forwards along the body, the tibio-tarsal articulation 



