I9I5.] C. R. NARAYAN Rao: Some South Indian Batrachia. 35 
rounded. length of body about one and a half times the breadth. 
Mouth ventral. 
Nostril and eye.—Small, not prominent, nostrils dorsal, 
nearer to eyes than to mouth. The inter-orbital space is slightly 
more than twice the distance between the nostrils. yes dorso- 
lateral. 
Mouth.—Ventral, small. Lower lip better developed and 
directed forwards. Both lips are bare of papillae, which, how- 
ever, are large and are aggregated in two or three rows in the 
corners of the mouth. Occasionally in a few cases a small ovoid 
gland may be present in the same region. Beaks horny and not 
powerful; both finely serrated ; lower jaw broadly V-shaped and 
the upper crescentic. Dental formula, 1: 1/3. 
Sensory pits and glands.—Occur generally scattered on the 
head. A fine row of whitish glands from the eyes to the tympanum. 
A dorso-median streak sometimes found. 
Spivacle.—Tubular, sinistral, pointing upwards and _ slightly 
backwards ; a fairly circular opening ; somewhat low on the side, 
nearer to eye than to root of tail. 
-Vent.—Also sinistral, a fairly prominent tube. 
Tail.—Tip not pointed ; dorsallobe beginning much behind the 
root of legs, is strongly arched. ‘The ventral poorly developed, 
the outer margin of which is almost parallel to the long axis of 
the muscular portion. The greatest depth of tail is > of the 
total length, and at this part the lower membrane is only 4 of 
the upper. Muscular portion strongly developed. 
Skin and colouvation.—Skin either granular or warty with 
strongly developed tubercles. Dorsal surface deep grey with 
broadly V-shaped dark mark between the eyes, and M-shaped, 
sometimes broken, marks on the back. Ventral surface whitish 
and sides finely dotted in a few specimens. ‘The muscular portion 
and lobes and tail deeply blotched. Limbs barred. 
Limbs.—Short, toes poorly webbed at the base. ~ The meta- 
tarsal tubercle well-developed, about the size of the first toe. 
Subarticular tubercles well formed. 
Dimensions.—A fully grown tadpole measures as follows :— 
Total length e: a L. .50°mm. 
Leneth-of body. .. oy + 2 Gag: 
i ,, tail Ry x Pom hes (oyeaetiae 
Maximum breadth of body .. a igheccboae 
5 vo =) 3),81 ae ae 3¢: 14 SGstam: 
ais a 4). tad : Se mae eb any 
Biological.—The time occupied by the development of this frog 
is almost the same as that taken by the other burrowing types, 
viz. 18 to 20 days. I have noticed that these larvae remain at 
the bottom of the aquarium, occasionally coming to the surface to 
breathe air. When disturbed, they would move on their legs, 
rather than swim. ‘They were fed on weeds and also on dead tad- 
poles. Foul water is death to them. Like the larvae of other 
