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, Colour yellowiBh olive with four indistinct Jaiker longitu- 

 dinal bands, and a vertebral series of black dots. An oblique 

 black band on the side of the neck. Belly white. 



Grows to 15 inches. 



Inhabits Ceylon. 



A. trachy procta, Cope. 



The postfrontal forms the upper anterior margin of the orbit 

 and touches the second and third labials, being generally separ- 

 ated from the fourth by a small prreocular. The lower postocular 

 larger than the upper. Six upper labials. Scales in 15 rows, 

 smooth but those on either side of the vent in the male, spinous, 

 in the female keeled (or smooth). 



Colour above brown, sometimes with four or five rows of 

 small dark spots, sometimes confluent, the mesial one along the 

 spine being commonly present. A dark band along the side of 

 the tail. Belly marked with black. 



Grows to 15 inches. 



Inhabits Ceylon. 



A. Copii, GUnther. 



No praBOCular, the postfrontal forming the front of the orbit 

 and touching the second, third and fourth labials. Postoculars 

 subequal. Six upper labials. Scales in 17 rows, keeled on the tail 

 and pubic region. Colour brownish, minutely dotted with black. 

 A row of 26 pairs of black spots along the trunk, each occupying 

 four scales and reddish margined before and behind. A black 

 spot behind the gape, and each labial black margined behind. 

 Belly marked with black. 



Grows to 16'5 inches. 



Inhabits Ceylon (probably). 



A. Ceylonensis, Giinther. 



Haplocercus, ceylonensis, Giinther. 



Aspiduraz carinata, Jan. 

 Body very slender, scales keeled in 17 rows. Nostril between 

 two small nasals and the first labial. 7 upper labials, the third 

 and fourth entering the orbit. , 



