IIEIU'ETOI.OCY. 307 



U. Datisosi, W. Til. 



Nostril small, rallaT anteriorly pierced in the nasal shield. A single pra^ooiilar 

 in contact with the nasal. Upper labials seven, the third and fonrth entering the 

 orbit. Colonr above black, with white cross bands, a third as broad as the interspaces. 



Length 22 ; tail 6 ; total 28 inclics. 



The type was from Nawlahu hill, east of Tavoy. 



Tetkaroxosom.^, Gunther. 



Body slender. Nasals tvro. Loreal none. Colonr di cp purple, marbled with 

 white and black. Beneath pearly. The type specimen is lost, and the species has 

 not been rediscovered. 



Inliubits Mergui. 



Family Amblyceplialidae. 



Body slender, compressed. Head short, thick, distinct. Nostril in a single 

 shield. Eye moderate, with vertical pupil. Scales smooth or faintly keeled, in 13 to 

 15 rows, tlie vertebral row enlarged. 



Pakkas, Wugler. 



P. MAEGAKiTOpnoKrs, Jan. 



Scales smooth, in 15 rows (or slightly keeled on the back). Nostril pierced 

 posteriorly in a large shield. Loreal small. Eye surrounded by several small shields, 

 which exclude the labials. Upper labials G or 7, the anterior ones very high and 

 narrow. Three pair's of large transverse gular shields, the first fornung a suture with 

 the first four labials. Colonr rich reddish-bi'own, with reticulate bars, formed by 

 some particoloured scales, white in front, red behind. Belly brown-spotted and 

 mottled. Grows to 24 inches. 



Inhabits Tenasserim and llartaban. 



P. MODESTi's, Theobald. 



Scales smooth, in 15 rows. Postf rentals large, and bent over and entering the 

 orbit. Loreal moderate. Pra^oculars 2, very small. Postocular 1, very small, with a 

 baud-like shield between the eye and labials. Upper labials 7, the sixth low, the 

 seventh very long. Three pairs of large gular shields. Below pale yellowish. 



Inhabits Rangoon. 



Fiimili/ Pythonidae. 



Tail prehensile. Some of the labial scales pitted. A spur-like prominence on 

 either side of the vent, indicating a nidimentary limb or style beneath the skin. 



Ptthom, Daudin. 



P. KETicur,ATi-s, Schn. 



Tlie first five upper labials deeply pitted, and the ninth to the thirteenth lower 

 labials. Colour clear grey, superbly reticulated with black, with a rich glossy lustre. 

 The ground colour is seen as a series of oblique lozenges separated by black and 

 yellow. Yellow is also interspersed, and on the sides forms irregular ocelli. Head 

 yellow, with a median black streak and two black dots on the occiput. Grows to 

 30 feet. 



Inhabits Burma and the Malayan Peninsula. 



P. MOLtJRTJS, L. 



The two anterior upper labials are pitted, and four of the lower ones. Colour 

 light gi-eyish brown. A brown lanceolate spot on the crown and nape, its point 

 resting on the frontals, its end on or behind the vertical. A ])ale median streak 

 divides its broader portion. A vertebral scries of large quadrangular spots, and an 

 oblong spot on each side of the square ones. Along the sides another row of brown 

 spots, sometimes with a light centre. Grows to 30 feet. 



Inhabits India, Burma, and the Malayan Peninsula. 



