446 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXVIII, 
Sgn. Type 
type 2. | No. I, 
mm. mm. 
4th: toe +) os. BO ie ae ae oe Rie Le 16 23 
boners oe ac Hc sts ys ae ae ze 11 16 
( inner ae ae 1°5 2 
Metatarsal tubercles 
outer a We 1 1 
Width of Tibia .. es oe es ae os Ae 4°5 6 
Tue TaproLtes or NyctTipaTrRAcHus SANCTI-PALUSTRIS. 
Fig. A. Mouth parts of the Tadpole. 
Fig. B. A tier of teeth, showing the spikes, usually ten in number. 
The tadpoles are small. The head and body strongly oval. The dorsa 
are either flat or only slightly convex: width of body greater than depth, 
not broadly rounded. Ventral surface flat. Eyes dorsolateral, not visible 
from below. Inter-orbital space equals or slightly broader than the distance 
between the eye and the tipof snout. Nostrils nearer tip of snout. Length 
of body about 4 in the total length. Spiraculum slightly tubular, opening 
directed backwards and upwards, situated midway between the eye and the 
posterior extremity of body. Mouth disk well developed. Mouth ventral, 
broadly transverse, nearly 14 times the distance between nostrils and tip of 
snout. The upper lip distinctly arched, without papillz. Sides of mouth and 
lower labial disk fringed with long finger-shaped papillze which are in more than 
one row in the angles of the mouth. Horny beaks present ; the upper semilunar 
and the lower more or less U-shaped serrated. Dental formula 14. The 
inner upper row is broken very broadly. The lower series are all entire, sub- 
equal, except in badly preserved forms in which the innermost series may be 
