92 REPTILES. 
ii. 254. Denk. Akad. Munch. vii. t.7. Python amethystinus, Daud. 
Rept. v. 230. Merrem, 89. Schlegel, Phys. Serp. 178, 419, t. 15, 
f. 8,10. Constrictor amethystinus, Boie, Isis, xx. 516. 
Frenal plates 8-8 or 12-12, in a double series; preocular 
shields 2 or 3; post-ocular 3 or 4; rostral with two deep pits; back 
of the upper, the four front pairs of the upper, and the six or seven 
pairs which precede the four or five last of the lower labial shields, 
pitted. 
Inhab. New Ireland. Mus. Paris. 
2. Macxktov’s Liasis. Liasis Macklotii, Dum. § Bib. Erp. 
Gen. vi. 440. Python amethystinus, var., Schlegel, Phys. Serp. 
420. 
Frenal plates 1-1; one preocular and two post-oculars; rostral 
shield with two indistinct pits ; two front pairs of the upper, and the 
four or five hinder pairs preceding the three or four last lower labial 
shields, pitted. 
Inhab. Timor and Samao. Mus. Leyden. 
** Rostral not pitted; side of face with small scales. Liasis. 
3. Cuitpren’s Liasis.  Liasis Childrenii, Gray, Zool. Misc. 
44. Dum. & Bib. Erp. Gen. vi. 438. 
Frenal plates two on each side, with two rows of granular scales 
beneath them ; one preocular and four post-ocular shields; rostral 
without any pits; the front pair of upper labials with a slight pit on 
the outer upper edge, and tlie four pairs which precede the three 
last lower labials pitted. Purplish brown: back with a central 
series of oblong, transverse, dark spots: sides with two series of 
roundish black spots, beneath white: upper lip with a dark streak 
to the angle of the mouth. 
a. In spirits. Adult. N. W. Australia. 
b. In spirits. Adult. N. W. Australia, Port Essington. From 
Mr. Dring’s collection. 
*** Rostral plate not pitted ; side of face without any small scales. 
Lisalia. 
4. The Lisatia. Liasis olivacea, Gray, Zool. Misc. 45, 54. 
Dum. §& Bib. Erp. Gen. vi. 442. 
Frenal plates 2-2; one preocular and three post-ocular shields ; 
rostral not pitted; the first pair of upper labials with a small pit on 
