1920.] G. A. BouLENGER : Frogs of the Genus Rana. 201 



109. Rana chalconota. 



Hyla chalconota, Schlcg. AbbihLp. 24, pi. ix, fig. 1 (1837). 



Polypedates chalcojioius, Tschudi, Class. Batr. p. 34 (1838). 



Lininodytes chalconotits, Dum. et Bibr. Eyp. Gen. VIII, p. 513 (1S41). 



Polypedates jzinghuhnii, Bleek. Nat. Tijdschr. Ned. Ind. XI, 1856, 

 p. 469. 



Hylarana chalconota, Giinth. Cat. Batr. Sal. p. 73 (1858). 



Rana chalconota, Bouleng. Cat. Batr. Ecaiid. p, 66, fig. (1882) ; Boettg. 

 Ber. Offenb. Ver.Nat. 1892, p. 141 ; Isenschmid, Mitth. Nat. Ges. Bas. 

 1903, p. g; van Kampen, Zool. JaJirb., Syst. XXII, 1905, p. 704, in 

 M. Weber, Zool. Ergebn. Pets. Nied. O.-Ind., IV, p. 392 (1907), and 

 Nat. Tijdschr. Ned. Ind. LXIX, 1909, p. 37. 



Rana labialis, Bouleng. Ann. and Mag. N.H.{5) XIX, 1887, p. 345, pi. 

 X, fig. I, and Ann. Mits. Genova (4) XIV, 1894, p. 617; S. Flower, 

 Proc. Zool. Soc. 1896, p. 903, pi. xlv, fig. 3 ; Peracca, Rev, Suisse Zool, 

 VII, 1899, p. 329 ; Laidlaw, Proc. Zoo/, ^oc. 1900, p. 886; A.L.Butler, 

 Journ. N.H. Soc. Bomb. XV, 1903, p. 199 : Bouleng. Faun. Mai. Pen., 

 Rept. p. 242 (1913). 



Rana everetti, part., Bouleng. Proc. Zool. Soc. 1897, p. 232 ; van Kam- 

 pen, op. cit. p. 394. 



Rana mocqtiardii, Werner, Zool. Anz. XXIV, 1901, p. 98. 



Rana erythrcea (non Schley.), Isenschmid, /. c. p. 7. 



Rana tytleri, part., Isenschmid, f. c. p. il. 



Vomerine teeth in short oblique series between the choanae or 

 extending a little beyond the level of their posterior borders^ 

 equally distant from each other and from the choanae. 



Head longer than broad, much depressed ; snout rounded or 

 more or less pointed, more or less projecting beyond the mouth, 

 as long as or slightly longer than the eye ; canthus rostralis 

 strong ; loreal region nearly vertical, deeply" concave ; nostril 

 nearer the tip of the snout than the eye ; distance between the 

 nostrils equal to or a little greater than the interorbital width, 

 which is equal to or a little greater or a little less than that of the 

 upper eyelid ; tympanum very distinct, % to I the diameter of the 

 eye, close to it or at least 3 times as long as its distance from it. 



Fingers rather long and slender, with slight dermal border, 

 the tips dilated into large discs, those of the third and fourth 

 measuring -^ to f the diameter of the tympanum, bearing a groove 

 separating the upper from the lower surface ; first finger as long as 

 or slightly shorter than the second : subarticular tubercles large, 

 very prominent. 



Hind limb long and slender, the tibio-tarsal articulation reach- 

 ing between the eye and the tip of the snout, the tip of the snout, 

 or a little beyond, the heels strongly overlapping when the limbs 

 are folded at right angles to the body ; tibia 4 to 6 time as long as 

 broad, i| to 2 times in length from snout to vent, a little shorter 

 than the fore limb, longer than the foot. Toes with discs similar 

 to but smaller than those of the fingers, webbed to the discs of the 

 third and fifth, two phalanges of fourth usually free ; outer meta- 

 tarsals separated nearly to the base ; subarticular tubercles rather 

 small, prominent ; inner metatarsal tubercle oval, i to ^ the length 

 of the inner toe; a more or less distinct small round outer tubercle. 



Skin smooth or granulate above, sometimes with small warts 

 on the back : a more or less distinct, often rather broad, moder- 



