69 



O. BREVICAUDA, Gthr. 



Scales 15. Ventrals 172, subc. 30. Only one pair of 

 frontals ; rostral reaching far backwards. Labials 7 (8 & 4). 

 Loreal none. Greyish violet ; posterior whitish vertebral 

 stripe, bordered with black spots ; black lateral stripe. 

 Belly same colour, with square black spots ; head-markings 

 distinct. 



AnamuUies. Solitary museum specimen. 



SIMOTES, D. and B. 

 Anterior frontals short, transverse ; rostral produced back- 

 wards between them ; nostril between two nasals. Scales , 

 smooth, 17-21 rows. Ventrals often have a slight lateral 

 keeL' Head-markings of the family always present. 

 Palatine teeth. Generally 7 labials (3 and 4). Found in 

 India, but more common in Burma, Siam, &c. Generally 

 larger than Oligodon. 



S. VENUSTUS, Jerdon. 



Scales 17. Ventrals 142-145, subc. 31-35. Anal bifid. 

 Brown, with 3 rows of round black yellow-edged spots ', 

 belly white with square black spots ; head-markings. 



Western Coast. 

 S. EUSSELLii, Daudvn. Plate XI, fig. 2. 



Scales 17. Ventrals 160-190, subc. 47-56. Anal bifid. 

 Brown, with 20 to 30 broad black, slightly white-edged, 

 cross-bands ; belly white ; head-markings very distinct ; a 

 black fillet through the eyes ; a >■ rising from the throat, 

 the point on the vertical, the first cross-band forming 

 another s* behind it. Grows to 2 feet, tail one-seventh. 

 India, Ceylon ; common. 



S. BiNOTATTJS, D. and B. 



Scales 17. Ventrals 181, subc. 41. Anal bifid. Rhombic 



black-edged spots on each side of vertebral Jine, smaller spots 



in the intervals ; belly white ; three angulp head-markings. 



Western Coast. 



