56 Records of the Indian Museum. [Vol. XX, 



20. Rana limborgii. 



Rayia limborgii, W. Sclater, Proc. Zool. Soc. 1892, p. 344, pi. xxiv, fig. 3 ;' 

 Bouleng., Ann. Miis. Genova (2) XIII, 1893, p. 329, pi. x, fig. i; 

 Malcolm Smith, Joiirn. N.H. Soc. Siam, II, 1916. p. 165. 



Vomerine teeth in oblique oval groups just behind the level 

 of the choanae. Bony prominences in front of lower jaw barely 

 indicated in females, rather large and pointed in males. 



Head moderate, moderately depressed, as long as broad or 

 a little broader than long, larger in males than in females ; snout 

 rounded, scarcely projecting beyond the mouth, as long as the e^-e ; 

 canthus rostralis obtuse; loreal region moderately oblique, slightly 

 concave ; nostril equidistant from the eye and the tip of the snout 

 or a little nearer the latter ; the distance between the nostrils 

 equal to or greater than the interorbital width, which equals or 

 exceeds that of the upper eyelid ; tympanum distinct, f to a the 

 diameter of the eye and i| to 2 times its distance from the latter. 



Fingers rather short, the tips dilated into small discs, first 

 as long as or slightly longer than the second, third as long as or 

 slightly shorter than the snout ; subarticular tubercles moderate. 



Hind limb rather long, the tibio-tarsal articulation reaching 

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

 a little beyond, the heels overlapping when the limbs are folded 

 at right angles to the body; tibia 3}- to 4 times as long as broad, 

 i| to 2 times in length of head and body, a little shorter or a little 

 longer than the fore limb, as long as or a little longer than the 

 foot. Toes rather short, the tips dilated into small but very 

 distinct discs, ^ to -g- webbed, 3 phalanges of fourth free; sub- 

 articular tubercles moderate ; a mere trace of a tarsal fold ; inner 

 metatarsal tubercle large, very piominent, compressed, blunt-edged, 

 I to f the length of the inner toe ; no outer tubercle. 



Skin smooth, usualh^ with more or less distinct traces of a nar- 

 row glandular dorso-lateral fold beginning behind the upper e^^elid ; 

 a strong fold from the eye to the shoulder. 



Pale brown above, with small darker spots ; upper surface of 

 snout sometimes pale greyish or yellowish ; a dark cross-bar be- 

 tween the eyes and often a A-shaped marking between the shoulders ; 

 a blackish streak on each side of the head, passing through the 

 eye; lips with dark brown vertical bars; a yellowish vertebral 

 stripe sometimes present ; limbs with more or less regular dark 

 cross-bands. Lower parts white, throat somtimes spotted or 

 speckled with brown. 



Males with internal vocal sacs, which may be indicated ex- 

 ternally by strong folds on each side of the throat. 



Nasal bones large and in contact with each other and with 

 the frontoparietals ; ethmoid covered over ; z^^gomatic branch of 

 squamosal long, extending to the eye. 



Eggs very large and few, unpigmented, the vitalline sphere 

 3 millim. in diameter in a female measuring 32 millim. from snout 

 to vent. 



