( 147 ) 



O. subpunctatus, D. et B. 



Loreal distinct. 8 upper labials, the fourth, fifth and sixth 

 entering the orbit. Head with the usual symmetrical markings. 



Colour greyish with a dorsal series of round white-edged black 

 spots. Belly white. Scuta black dotted on either side. 



Inhabits Malabar, Manbhum and Calcutta (Anderson). 



0. fasciatus, Giinther. 



Loreal distinct. One prse and two postoculara. 7 upper 

 labials, the third and fourth entering the orbit. Head markings 

 indistinct. Second band not confluent with the nuchal spot. 

 Colour brownish olive with about 27 broadish brown black-edged 

 cross bands, each slightly interrupted by a narrow yellow verte- 

 bral line. Belly whitish with numerous small brown spots more 

 thickly placed along the sides. 



Grows to 14 inches. 



Inhabits the Dekkan. 



0. sublineatus, D. et B. 



Loreal distinct. One prse and two postoculars. 7 upper labials 

 the third and fourth entering the orbit. Colour brownish olive 

 a brown spot below the eye. A large brown blotch on each side 

 of the neck. A line of small transverse light-edged brown spots 

 down either side of the back. Each ventral scale with three brown 

 dots forming three punctate streaks. Tail with two similar streaks. 



Grows to 10 inches. 



Inhabits Ceylon. 



0. Templetonii, Giinther. 



Loreal distinct. One prse and two postoculars. 7 upper labials, 

 the third and fourth entering the orbit. The sixth is excluded 

 from the labial margin by the adjoning labials. Head with an 

 indistinct band through the orbits, and a brown blotch on each 

 side of the neck. Body bownish with a light 'vertebral band 

 more distinct on the tail and crossed by 18 short narrow brown 

 bands. Belly white with square black spots. 



Grows to 10' 5 inches. 



Inhabits Ceylon. 



