( 145 ) 



G. bicolor, Blyth. 



Calamaria bicolor, Blyth. J. A. S., B., XXIII, p. 289. 

 Nostiil pierced in the centre of a large nasal. Loreal small. 

 Rostral broad. Prsefrontal transverse, two-thirds as broad as ros- 

 tral. Post-frontal transverse broader than rostral. Prseocular one, 

 small. Postoculars two, small. Occipitals large. Upper labials 

 five, the third higher than the rest; enters the orbit. Fifth 

 largest. Anal bifid. 



Colour dusky plumbeous above, gradually passing into bufiy 

 white below. 



Inhabits Assain and the Khasi hills. 



Falconeria, Theobald. 



One pr£e-frontal. Two post-frontals. Upper labials five. 

 Loreal present. Scales faintly keeled in 17 rows. 



F. Bengalensis, Th. J. A. S., 1868. Extra Number, p. 44. 



Head rather ovate and elongate, narrowed in front. Nostril 

 almost dividing a small nasal. (Perhaps between two). Loreal 

 one, small, squarish. Prseocular very elongate. 5 upper labials. 

 The first very small. The second and third enter the orbit. 

 Fourth and fifth large. Anal bifid. Three undivided subcaudals, 

 the rest divided. 



Inhabits Parasnath Hill. 



Oligodon, Boie. 



Rostral more or less extended backwards. Head shields nor- 

 mal, the loreal being occasionally absent. Nostrils between two 

 partly confluent nasals. One prseocular. One or two postoculars. 

 Scales smooth in 15-17 rows. Maxillary teeth few, the last 

 enlarged. Palatine teeth usually absent. A brc^wn fillet crosses 

 the forehead through the eyes, forming a distinct brown spot 

 below the orbit; a second angular band with its apex on the 

 occipitals, and ends passing behind the gape, and a third band 

 on the neck, the three sometimes united by a median line. 



T 



