Batrachia. r^7 
hind legs are represented by small buds, and it seems probable that the animal 
would have hibernated through the winter before its metamorphosis. My provisional 
identification is based on its close resemblance to a small series of tadpoles and young 
frogs from Korea sent by the British Museum under the name Rana esculenta var. 
chinensis. It differs from Boulenger's figures of the tadpole of the European R. 
esculenta in the following points : — 
1. The head and body are relatively 
larger and the tail both shallower 
and shorter. 
2. The spiracle is situated rather 
higher on the body. 
3. The papillae and processes on the 
mouth- disc are more digitiform 
and not arranged precisely in the o.-Mouth-disc of 7R. mgromacidata ( . 12). 
same manner. 
4. The margin of the upper beak is almost straight. 
5. The rows of teeth on the upper lip are relatively shorter. 
Measurements of Japanese tadpole : — 
lycngth of body . . . , . . . . 12 mm. 
Breadth of body . . . . . . 8-5 
Length of tail . . . . . . . . 20-5 
Depth of tail . . . . . . • • 6*5 ,, 
Bolkay's^ figures of the tadpoles of Rana esculenta and Rana ridibunda (which is 
certainly no more than a variety) differ considerably in all these points from 
Boulenger's* and it is probable that considerable variation exists. I follow Stejneger 
in regarding the Japanese and Chinese form allied to R. esculenta as specifically dis- 
tinct, but the differences are slight in the adult. 
Rana kuhlii, D. - ' , V 
1912. Rana kuhlii, Boulenger, Fauna Malay Peninsula, RepL, p. 229. 
Capt. F. H. Stewart, I, M.S., has recently sent me a young frog of this species, 
which he took in a small pool on the Peak of Hongkong. With it he has also sent 
two tadpoles from the same pool. Of course it is impossible to be certain that these 
tadpoles belong to the same species, and the specimens are rather shrivelled. It 
may, however, be as well to describe them, in case others similar to them should be 
found again in more satisfactory circumstances. 
They closely resemble the larvae of Rana macrodon so far as external appearance 
and general colouration are concerned, but differ considerably in the structure of the 
mouth-parts and in certain minute but important features of the markings. The 
mouth-disc is ventral and of a transversely oval shape; except in front, it is edged 
with very minute papillae. The upper lip is better developed than in R. macrodon 
Bolkay, Ann. Mus. Nat. Hung. VII, pp. io8, in ; pi. ii, figs, i and 2 (1909). 
Boulenger, Proc. Zool. Soc. London, p. 604, pi. xlv, fig. i (1891). 
