202 Proceedings of the Biological Society of Washington, 
and Thursday Island also belong to this race, it may be that the form 
with lateral spots and a tarsal line occurs only on the Australian main¬ 
land and that only this unspotted form occurs on the islands, although 
it has been said to have been taken in Queensland as well. The limits—if 
limits there really be—of the ranges of these two color varieties are well 
worth the attention of Australian naturalists. 
liyia krefftii Guenther. 
A single rather shrunken and hardened example also from Kuranda I 
have referred to this species. It seems to agree fairly well with the de¬ 
scriptions. 
Uperolia marmorata Gray. 
A young example from Kuranda may be referable to this species. 
However, it lacks the triangular dark spot between the eyes, the white 
spots on loin and back of thigh which Boulenger (Cat. Batr. Sal., 1882, 
p. 267) speaks of. Above it is olive, marbled or perhaps better vermicu- 
lated over all with darker. 
Ophidia. 
Liasis clarki sp. nov. 
Tijpe, an adult. No. 9600, Museum of Comparative Zoology, from Mer 
Island, Murray Islands, Torres Straits. Collected in October, 1913, by 
H. L. Clark. 
This species may be distinguished at once from any of the described 
species of Liasis by its manner of combining the characters used by 
Boulenger (Cat. Snakes Brit. Mus., Vol. 1,1893, p. 77) to separate groups 
I and II in bis key to the species of this genus. Thus it has several small 
loreal shields and also a deeply and conspicuously pitted rostral. It also 
has two pairs of pra.efrontals. 
Rostral broader than deep, slightly visible from above, deeply pitted; 
internasals a little longer than broad, about one-half tbe length of the 
major pair of praefrontals; the minor praefrontals are widely separated 
by the major praefrontals which also form a wide suture with the frontal; 
frontal about as broad as long, broader at its anterior than at its posterior 
end; much shorter than its distance from the end of the snout; two 
pairs of parietals, the anterior as wide as but much shorter than the pos¬ 
terior ; fivesmall loreal shields; two prae- and four postocnlars; eleven upper 
labials, first, second and third deeply pitted, fourth and fifth pitted but 
less conspicuously so; sixth and seventh entering orbit; sixteen lower 
labials, seventh to ninth slightly and tenth to fifteenth very deeply pitted. 
Scales in 47 rows. Ventrals 317, anal single, subcaudals 116. More or 
less uniform brown above, yellowish below. 
lAasis childreni Gray has been recorded by Boulenger from “ Islands 
in Torres Straits,” collected by Rev. S. Macfarlane, who as a matter of 
