DIPLOPELMA PULCHRUM. 417 



DIPLOPELMA, Gthr. 



Head small, with rather pointed snout ; mouth narrow ; body thick ; 

 upper arm and thigh rather short. Teeth none, in jaws or on the palate. 

 Tongue elongate, ovate, entire behind. Tympanum hidden ; openings of 

 the eustachian tubes very small. Skin smooth ; fingers free, toes one-third 

 webbed ; metatarsus with two obtuse tubercles. Male with a single sub- 

 fifular vocal sac. 



& 



Only two species are known*. 



The length of the body is somewhat more than the distance between vent and heel . D. ornatum.. 

 The length of the body is somewhat less than the distance between vent and heel . D. jmlchrum. 



DIPLOPELMA OKNATUM. 



Engystoma ornatum, Du7n. S; Bibr. viii. p. 745. 

 Diplopelma ornatum, var. A., Gilnth. Batr. Sal. p. 50. 



Reddish- or greyish-olive above, with or without a darker subtriangular spot on the back, 

 commencing on the nape and becoming broader as it extends to the hind part of the body. 

 A brown or purple band commences behind the eye and runs along the side; loin with 

 some deep-brown spots ; a dark-brown band from the hip to the thigh, another from the 

 vent along the hmder side of the thigh ; limbs with a few brownish cross bars. Whitisli 

 below ; throat brownish in the male. 



The length of the body is somewhat more than the distance between vent and heel ; toes 

 one-third webbed. 



'This is one of the smallest Indian frogs ; it is a local species, appearing in great numbers 

 after showers of rain in November. We have received it only from the Madras Presidency, 

 but it appears to occur in other parts of Southern India and in Ceylon. One of the largest 

 specimens is 1 inch long, the hind limb being 1^ inch. 



Diplopelma pulchrum. 



Diplopelma ornatum, var. B., Gilnth. Batr. Sal. p. 50. 



Engystoma pulchrum, Hallow. Proc. Acad. Nat. Sc. Philad. 1860, p. 506. 



Yellowish- or greyish-olive above, with brownish markings edged with black and white ; 



* Mr. Jerdon mentions four species of Enf/ystoma from the Peninsula of India, but without properly 

 characterizing them (Journ. As. Soc. Beng. xxii. p. 534) ; Mr. Blyth describes the colours of two other 

 frogs from Pegu, adding that they are not true Engystomes, viz. Engystoma (?) interlineatum, Journ. As. 

 Soc. Beng. xxiii. p. 732 and xxiv. p. 720, and Engystoma(^) berdmorei, ibid. xxiv. p. 720. 



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