( 197 ) 



ivith short black bands alternating with the spots, and a supra- 

 ibdominal row of black dots corresponding with the dorsal spots. 

 Eead above marked with black, with two ill-defined bars on the 

 )ccipitals. A median dark line on the neck and one from the 

 sye across the gape. Belly greenish white, minutely speckled 

 iv^ith black and an irregular dark dot on the end of each ventral. 



Grows to 39-5 inches. (Tail 7-5.) 



Inhabits Ceylon and Western Himalayas, Subathu, Simla, &c. 



D. bubalina, Klein. 



Triglyphodon cyaneum, D. et B. 

 D. nigroTnarginata, Blyth. J. A. S., XXIII, p. 294. 

 Scales in 21 rows, with a single apical groove. Anal entire. 

 Loreal rather higher than long. One prseocular. Two post- 

 oculars. 8 upper labials, the third, fourth, and fifth entering the 

 orbit. Colour above bluish green, below yellowish white, green- 

 ish posteriorly. A faint whitish line runs a little above the end 

 of the ventraJs, becoming obsolete on the tail. Interstitial skin 

 of head and neck black, of the body only faintly. 

 Grows to 53 inches. (Tail 14.) 

 Inhabits Assam, Kachar, Dorjiling. 



D. gokool. 



Scales in 21 rows. Nostril moderate, round. One prseocular 

 (sometimes divided). Two postoculars. 8 upper labials, the 

 third, fourth, and fifth of which enter the orbit. Colour yellow- 

 ish brown. A black-edged arrow-shaped mark on the head longi- 

 tudinally divided by a yellow line. A roundish black spot on 

 the nape. A black streak from eye to gape. A straight yeUow 

 vertebral line, and down either side of body a row of some 50 

 black erect Y-shaped marks. Belly yellowish with an irregular 

 series of brown spots along each side. 



Grows to 33 inches. (Tail 7.) 



Inhabits Bengal, Assam (Anderson), Pinang. A rare species. 



D. boops. 

 , Body very slender and compressed. Nostril round, wide. Scales 

 in 21 rows. Loreal rather higher than long. One prseocular 



