igi2.] N. Annandai^e : Batrachia. ir 



lingers, its hidden tympanum and its almost completely webbed 

 toes. 



Habit stout. Length from snout to vent 25 mm. 



Head short, broad, triangular, by no means depressed ; snout 

 bluntly pointed, convex at the tip, a little shorter than the orbit; 

 canthus rostralis rounded; loreal region not concave, sloping out- 

 wards and downwards; eye large, not very prominent; inter- 

 orbital region slightly convex, a little broader than the upper 

 eyelid ; tympanum concealed ; a prominent fold running backwards 

 and downwards from the eye to a point a little behind the gape. 



Mouth. — A prominent tooth at the apex of the lower jaw ; no 

 trace of vomerine teeth; the choanae situated far forward; no 

 papilla on the tongue. An internal vocal pouch in the male. 



Skin. — No dorso-lateral fold. Dorsal surface minutely warty ; 

 ventral surface almost smooth but with a rather indistinct reticula- 

 tion of grooves ; a transverse fold running across the posterior end 

 of the throat in the male. 



I. imbs stout. Fore limbs short; fingers short ; the first a little 

 shorter than the second; disks very small but distinct; a rudi- 

 ment of a web between all the fingers ; subarticular tubercles in- 

 conspicuous but of fairly large size. Tibio-tarsal articulation 

 reaching the eye ; toes moderately slender, with very small disks ; 

 web almost complete but not quite reaching or barely reaching the 

 disks of the first and fifth toes; subarticular tubercles incon- 

 spicuous ; an elongate but not very prominent internal metatarsal 

 tubercle followed by a fold of skin on the tarsus; another fold on 

 the external margin of the foot ; no outer metatarsal tubercle. 



Colouration. — Back dark brown mottled with purplish black; 

 a dark interorbital cross-bar usually present; limbs obscurely 

 barred and digits more conspicuously so ; ventral surface yellow- 

 ish, powdered on the throat and chin with purple-brown, as a rule 

 so densely that the skin appears almost black to the naked eye; 

 ventral surface of hands, feet and thighs powdered in a .similar 

 manner but not so densely ; belly sometimes spotted. 



Localities. — Rotung (alt. 1,300 ft.) and about 3 miles S. of 

 Yembung. 



Type. — No. 16932 in Indian Museum register of Reptiles and 

 Batrachia. 



I think I am right in referring this species, of which I have 

 examined eleven specimens, to Boulenger's genus Micrixalus 

 rather than to Rana; for I can find no trace of vomerine teeth, 

 while tlie small size of the frog and its general facies are features 

 in which it resembles the south Indian species included in the 

 former genus. Sclater's Rana tcnasserimensis, of which three type- 

 specimens are now in our coUection, has apparently vomerine teeth 

 in some individuals and none in others, l3Ut these teeth are never 

 well developed. It should also, in my opinion, rank as Micrixalus} 



1 See Boulenger, P.Z.S., 1883, p. 205, and Fauna, p. 464 ; also W. L. Sclater, 

 P.Z S., 1892, p. 345, pi. xxiv, fig. 4, 4a, and Boulenger, Ann. Mus. Genov a {2nd 

 ser.), xiii, p. 331. 



