'78 Proceedings of the Royal Society of Victoina. 



pairs of enlarged nuchals ; fifth upper labial below the centre of 

 the eye, separated by a series of suboculars; sixth and seventh 

 upper labials largest. Ear covered with scales, indicated by a 

 depression. Twenty smooth scales round the middle of the body, 

 subequal; a pair of enlarged praeanals; the length of the hind- 

 limb equals the distance between the centre of the eye and the 

 fore-limb. Two middle fingers much the longest, equal ; third toe 

 longest, three tin\es as long as first. 



Colour (spirit specimen). — Pale brown above, with four 

 longitudinal series of black dots on the back; a black dorso-lateral 

 line ; sides and lower surfaces darker ; each scale on the under 

 surfaces with a broad yellowish margin. 



Habitat. — Western Australia. Type in the National Museum. 



Rhodona planiventralis, sp. n. 



Description. — -Snout cuneiform, with projecting labial edge. 

 Eye small ; lower eyelid with an undivided transparent disk. 

 Nostril pierced in a large nasal. Rostral large, nearly as long as 

 the frontonasal ; frontonasal broader than long, forming a 

 moderate suture with the rostral and a broader one with the 

 frontal ; praefrontals moderate ; frontal a little broader than the 

 supraocular region, as long as its distance from the end of the 

 snout, in contact with the first and second supraoculars ; three 

 supraoculars ; six supraciliaries ; frontoparietals small, a little 

 smaller than the interparietal ; parietals forming a suture behind 

 the interparietal. Two pairs of enlarged nuchals ; fourth upper 

 labial below the orbit. Ear hidden, indicated by a depression. 

 Twenty-two smooth scales round the middle of the body, smallest 



