68 SNAKES OF THE PHILIPPINE ISLANDS 



and Bolieria are known only from a small island in the Indian 

 Ocean. Enygrus, which is distributed over Polynesia and Papu- 

 asia, approaches our territory in Celebes and the Moluccas. 



PYTHONIN.^ 



Supraorbital bone present. 



Nardoa, Liasis, Chondropython, and Python occur in the East 

 Indian and Australian regions, but only the last is known to enter 

 the Philippines. 



Genus PYTHON Daudin 

 Python Daudin, Hist. Kept. 5 (1803) 226; Waglee, Syst. Amph. 

 (1830) 168; Schlegel, Phys. Serp. 2 (1837) 402; Dumeril and 

 BiBRON, Erp. Gen. 6 (1844) 392; Gray, Cat. Vip. Snakes (1849) 

 87; GUNTHER, Kept. Brit. India (1864) 329; Jan, Icon. Gen. Ophid. 

 (1864) 95; Boettger, Her. Senck. Nat. Gas. (1886) 115; Boulenger, 

 Fauna Brit. India, Eept. (1890) 245; Cat. Snakes Brit. Mus. 1 

 (1893) 81; Casto de Elera, Cat. Fauna Filipinas 1 (1895) 439; 

 Griffin, Philip. Journ. Sci. § D 6 (1911) 255. 

 Constrictor Waglee, Syst. Amph. (1830) 168. 

 Morelia Gray, Zool. Misc. (1842) 43; Dumeril and Bibron, Erp. 



Gen. 6 (1844) 383. 

 Aspidoboa Sauvage, Bull. Soc. Philom. VII 8 (1884) 143. 

 Hypaspistes Ogilby, Rec. Aust. Mus. 1 (1891) 193. 



"Prsemaxillary bone toothed. Anterior maxillary and man- 

 dibular teeth very long, gradually decreasing in size. Head 

 distinct from neck; end of snout covered with shields, upper 

 surface of head with symmetrical shields or small scales ; nostril 

 directed upwards or supero-lateral, in a large semidivided nasal, 

 which is separated from its fellow by a pair of internasals; 

 rostral and anterior upper labials with deep pits; some of the 

 lower labials also pitted. Eye moderate, with vertical pupil. 

 Body more or less compressed ; scales small, smooth. Tail mod- 

 erate or short, prehensile; subcaudals all or greater part in 

 two rows." (Boulenger.) 



The genus is widely distributed over Africa, southeastern Asia, 

 Papuasia, and Australia. Only the widely distributed Python 

 reticulatus (Schneider) is known to occur in the Philippines. 



PYTHON RETICULATUS (Schneider) 

 Boa reticulatus Schneider, Hist. Amph. 2 (1801) 264; Denkschr. Ak. 



Munch. 7 (1821) 118; Daudin, Hist. Rept. 5 (1803) 116. 

 Boa rli.ombcata Schneider, Hist. Amph. 2 (1801) 266. 

 Boa, pJirygia Shaw, Zool. 3 (1802) 348, pi. 97. 

 Coluber javaniciis Shaw, Zool. 3 (1802) 441. 

 Python schneideri Merrem, Tent. Syst. Amph. (1820) S9 ; BoiE, Isis 



(1827) 515; GUERIN, Icon. Reg. Anim., Rept., PI. 21, fig. 1; 



Schlegel, Phys. Serp. 2 (1837) 415, pi. 15, fic,s. 5-7. 



