EEPTILIA. 277 



a) Pits on each side in the posterior scutes of loiver Up, in scutes of upper 

 lip none. 



Bothrochilus Fitz., Narcloa Gray, Dum. and Bibr. 



Sp. Python Schlegelii, Nardoa Schlegelii Gray, Tortrix Boa Schleg. Ahh. 

 Tab. 1 3 ; discovered at New Ireland by Lesson and Gaknot. 



b) Pits in scutes of both lips. 

 Python Daud. 



+ \Yith head almost entirely scutate above. 



Sub-genus Liusis Gray, Dum. and Bibr. Sp. Python amethysdntts 

 Daud., Merr. ; Moluccan Islands, New Ireland. 



++ With head anteriorly scutate. {Nostrils in the suture of two nasal 

 scutes.) 



Sub-genus: Python DuM. and Bibr. 



Sp. Python molurus Gray, Coluber molurus L., Python tigris Daud., Lac. 

 Qxiadr. ovip. et Serp. ii. PI. lo, fig. i, Seba Thesaur. I. Tab. 37, fig. 1, 

 Russell Serp. 1. PI. 2-2, 23, 24, 39; Bengal, Java. This species becomes 

 20 feet long, as does a species from the coast of Guinea, very similar in 

 marking and confounded with it, Python Seboi DuM. and BiBR., Colid)er 

 Sebce Gmel. (Python bivittatus Kuhl, Python hicroglyphicus Merr.), Seba 

 Thesaur. 11. Tab. 19, fig. r, 27 fig. i, 99 fig. 2, DuM. and Bibr. Erpetol. 

 PI. 61 ; — Python Schneideri Merr., Schl., Python reticulatus Gray, Seba 

 Thesaur. 11. Tab. 79, fig. i, Tab. 80, fig. i, Guer. Iconogr., Kept. PI. 21, 

 fig. I ; Sumatra, Java, Borneo, also on the continent of India; this prettily 

 marked species is more slender than the two preceding, but becomes, like 

 them, 20 or more feet long. 



f+f With head short, broad, almost entirely scaly. (^Nostrils in single 

 nasal scute.) 



Sub-genus: Morelia Gray, Dum. and Bibr. 



Sp. Python Peronii Cuv., ScHL., Coluber argus L., Seba Thesaur. 11. Tab. 103, 

 fig. 1, Cuv. R. Ani., ed. ill., Rept. PI. 28, and Griffith and Pidgeon 

 Reptiles, Animal Kingdom, ix. opposite to p. 331; New Holland. No species 

 of Python from America is known, where this genus is replaced by Poa. 



B. Stenostomi (.see above p. 256). 



Gape of mouth small. Mastoid bone concrete with the other 

 bones of the skull ; quadrate bone short. Mental groove in some 

 none, in others short. 



Family XII. Cylmdroplies s. Tortricina. Head scutate, not 

 distinct from trunk. Teeth in jaws and palate. Eyes small. 



