PTTHONID^!. 253 



beyond the lateral borders of the costal articulations. Hgemal 

 carina on centrum never terminating in anterior and posterior 

 processes. 



Genus PYTHON, Daudin 1 . 



The type genus. Centra of vertebras short and wide, with 

 broad posterior ball, and haemal carina in posterior trunk-region not 

 very prominent. 



;Pj)ti)0tt nwturuS (Linn. 2 ). 

 Syn. Coluber molurus, Linn. 3 



The type species. Attains a length of about 30 feet. 

 Hob. India and China. 



Pig. 54. 



Python molar us. — Posterior (A) and haemal (B) aspects of a trunk vertebra ; from 

 the Pleistocene of Madras. \. (From the ' Palasontologia Indica.') 



R. 738. A trunk vertebra; from the Pleistocene cave-deposits of 

 the Karnul district, Madras. A similar specimen (fig. 54) 

 is described and figured by the writer in the ' Palaeonto- 

 logia Indica' (Mem. Geol. Surv. Ind.), ser. 10, vol. iv. 

 p. 55, fig. 12. Both indicate small individuals. 



Presented by the Director of the 

 Geological Survey of India, 1886. 



R. 614. Four imperfect vertebrae, provisionally referred to this 

 species ; from the Pliocene Siwaliks of the Punjab, India. 

 Similar specimens are described by the writer, op. cit. 

 vol. iii. p. 237, pi. xxxv. Same history. 



Genus PALERYX, Owen 4 . 



Syn. Palceopython, Rochebrune 5 . 



The centra of the middle and posterior trunk vertebrae differ from 

 those of Python by the more strongly marked hasmal carina ; but in 



1 Hist. Nat. Kept. vol. v. p. 226 (about 1802). 



2 Syst. Nat. ed. 12, vol. i. p. 225 (1766).— Coluber. 3 Loc. cit. 



4 ' Keptilia of London Clay ' (Mon. Pal. Soc), pt. iii. p. G7 (1S50). 



5 Nouv. Archiv. d. Museum, ser. 2, vol. iii. p. 270 (1SS0). 



