HORN EXPEDITION-REPTILIA. 
143 
ciliaries ; 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 enlarged prpeanals. 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 lamelhe smooth, about fourteen under the third toe. Tail slightly 
longer than head and body. Coloiir.—QYejish. above, with four regular series of 
and 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 brownish with a darker colour around the 
margin of each scale. 
Dimensions. 
Total length ... 
77 mm. 
Head 
. 5 „ 
Width of head 
. 3 „ 
Body 
. 30 „ 
Fore-limb 
. 4 „ 
Hind-limb 
. 8 „ 
Tail 
. 42 „ 
Locality. —Tempe Downs. One specimen. 
This species is intermediate between R. bougainvillii, Gray, and the group with 
rudimentary limbs. 
(7) Rhodona gerrardii, Gray. 
Several specimens all fully agreeing with the type except that the fore limbs 
are didactyle and the hind limbs tridactyle. This variation is noted by Stirling 
and Zietz (J.c.). 
Localities. —Palm Creek, Reedy Creek, George Gill’s Range. 
Distribution. —Swan River, Champion Bay (B.M.C.), Barrow Range (Elder 
Exped.). 
(8) Rhodona bipes, Fischer. 
Two specimens. 
Locality. —Palm Creek. 
Distribution. — Nicol Bay (B.M.C.), Barrow Range (Elder Exped.). 
