268 Proceedings of the Royal Society of Victoria. 



Rhodona tetradactyla, sp. nov. 



Description. — Body much elongate, limbs weak, tetradactyle, 

 the distance between the end of the snout and the fore-limb is 

 contained twice to twice and a half in the distance between 

 axilla and groin. Snout moderate, obtusely conical. Lower 

 eye-lid with a transparent disk. Nostril pierced in a large nasal 

 which is in contact with its fellow ; frontonasal large, and forming 

 a broad straight suture with the frontal ; prfefrontals small and 

 widely separated ; frontal broader than the supraocular region, 

 longer than the frontoparietals and interparietal together, in 

 contact with the first and second supraoculars ; four supraoculars, 

 six supraciliaries ; frontoparietals and interparietal distinct, 

 subequal ; two or three pairs of nuchals. Ear-opening minute, 

 about the size of the nostril. Twenty smooth scales round the 

 middle of the body, dorsals largest. A pair of enlai-ged pra\inals. 

 The length of the hind-limb equals the distance between the eye 

 and the fore-limb ; toes slender, third about twice the length of 

 second, which is twice as long as the first, subdigital lamella- 

 smooth, about fourteen under the third toe. Tail slightly 

 longer than head and body. Colour. — Greyish above, with four 

 regular series of black dots, almost confluent into lines along the 

 back, sides darker, a longitudinal blackish lateral band from 

 snout to tail, the lower edge of which is scarcely distinct from 

 the darker ground colour on the sides ; tail brownish, covered 

 with irregular blackish dots ; lower surfaces greyish or In-ownish 

 with a darker colour around the margin of each scale. 



