3. LIASIS. 79 



-5.. 2 (Sc. 47 ; V. 278 ; Cornwallis Island, Rev. S. Macfarlane 

 C. ?). Torres Straits. [C.]. 



(Type of L. cornwalUsius.) 



c. Ilgi-. (Sc. 47; V. 275; Fly River, New Rev. S. Macfarlane 

 C. (57). 'Guinea. [0.1. 



d. 9 (Sc. 47; V. 278; S.E. New Guinea. Rev. S. Macfarlane 

 C.72). [C.]. 



3. Liasis olivaceus. (Plate IV. fig. 2.) 



Liasis olivaceus, Gray, Zool. Misc. p. 45 (1842) ; Dum. ^- Bibr. vi. 



p. 442 (1844). 

 olivaceus, part.. Gray, Cat. p. 92 (1849). 



Rostral broader than deep, just visible from above ; internasals 

 nearly twice as long as broad, more than half as long as the anterior 

 prasfrontals ; posterior prasfrontals in contact with each other or 

 separated by a small azygous shield ; frontal about once and a half 

 as long as broad, shorter than its distance from the cud of the 

 snout ; a pair of small parietals ; a single large loreal ; one pra)- 

 and three or four postoculars ; thirteen to fifteen upper labials, first, 

 or first and second pitted, sixth and seventh or seventh and eighth 

 entering the eye ; four or five of the posterior lower labials pitted. 

 Scales in 69 to 75 rows. Ventrals 349-361 ; anal entire ; sub- 

 caudals 100-102. Uniform olive-brown above, yellowish beneath. 



Total length 1S90 millim. ; tail 360. 



North Australia. 



a. Hgr. (Sc. 71 ; V. 350 ; Tort Essington. Mr. Gilbert [C.J. 

 C. 102). (Type.) 



b. Hgr., stflEd. Port Essington. Mr. Gilbert [C.]. 



c. <S (Sc. 69 ; V. 369 ; N. Australia. Dr. J. R. Elsey [P.]. 

 C.?). 



d. $ (Sc. 75 ; V. 349 ; N. Australia. Capt. Stokes [P.]. 

 C. 100). 



4. Liasis mackloti. 



Liasis mackloti, Dum. S^- Bibr. vi. p. 440 (1844) ; Gray, Cat. p. 92 

 (1849); Jan, Icon. Gen. p. 98, 1. 7, pi. vi. fig. 1 (1864). 



Rostral broader than deep, scarcely visible from above, with a 

 feeble pit or groove on each side ; internasals a little longer than 

 broad, hardly half as long as the pnefroutals ; two pairs of 

 priefrontals, the posterior small and separated from each other by 

 the anterior ; frontal nearly once and a half as long as broad, as 

 long as its distance from the end of the snout ; a pair of parietals, 

 with smaller shields behind them ; a large loreal ; one pra3- and 

 two postoculars ; eleven upper labials, first and second pitted, fifth 

 and sixth entering the eye; five of the posterior lower labials 

 pitted. Scales in 53 to 55 rows. Ventrals 292-302 ; anal entire ; 

 subcaudals 85-94. Sooty brown above, with scattered small 

 yellowish spots ; belly yellowish or brownish. 



Total length 1680 millim. ; tail 260. 



Timor and Samao. 



