93 



Colors — ^Greenish-olive above, the enlarged tubercles lighter than 

 the ground color ; back, tail, and upper surface of the limbs with 

 numerous purplish cross-bands ; gular sac purple with a lighter 

 inferior margin ; lower surface yellow, in some places clouded 

 with brown. 



Inches. Millim. 



Total length 10-40 ... 260 



Length of head 1-20 ... 30 



AVidthofhead 0-73 ... 18 



Length of body ... ... 2-70 ... 67 



Length of fore limb... ... 2-22 ... 55 



Length of hind limb ... 3-93 ... 98 



Length of tail 6-50 ... 163 



One specimen only is in the collection, and I am in consider- 

 able doubt as to whether I have correctly identified the species. 



Lygosoma (Liohpisma) bicarinatum. 



Heteropus bicarinatus, MacUay, Proc. Linn. Sue. N.S. W. ii. 



1877, p. 68. 

 ? Heteropus bicarinatus, Bly.., Catal. Liz. (Ed. 2) iii. p. 286. 

 Heteropus albertisii, Peters tfc Duria, Aim. Mus. Gen. xiii. 1878, 



p. 362. 

 Lygosoma albertisii, Bly., loc. cit. 



Colors — Upper surface of head uniform brown, the sides 

 yellowish profusely ornamented with black spots ; back and sides 

 brown with numerous darker and lighter spots ; tail light reddish- 

 brown with a series of transverse black spots .superiorly, and a 

 few lateral spots, which are more numerous near the base ; under 

 surface yellow, the tail with a reddish tinge, the chin and throat 

 with a few scattered black spots ; (L. bicarinatum.) 



Colors — Upper surface of head brown, with or without a few 

 scattered black spots, the sides yellow, clouded with light brown 

 or with a few spots ; back olive-brown with scattered black spots, 

 and with or without two narrow faint longitudinal light bands ; 

 sides with two yellow black-edged longitudinal bands, separated 

 by a broader black or dark bi'own band, which commences at 

 the nostril, and, passing through the orbit, is continuous to the 

 very tip of the tail ; rest of tail as in L. hicarhiatuni : under 

 surface uniform yellow ; ( L. albertlsi). 



Of the ten specimens now before me four belong to the latter 

 form and three to the former, while the remaining three, though 

 differing considerably inter se, are distinctly intermediate between 

 the two described, which may therefore be taken to be the extreme 

 forms of the species ; there is not the slightest difference in even 

 minutest details of outward structure. 



Sir William Macleay's types, which are now deposited in the 

 Museum of the Sydney University, have been personally examined 

 and compared with our recent specimens. 



