( 220 ) 



T. Anamallensis, Gunther. , 



Scales in 21 rows. Ventrals 148—158. Subcaudals 51—55. 

 Colour yeUowish green, with a dorsal series of large rhombic black 

 spots, each spot variegated by yellow. Head marbled with black 

 in adults, greenish in the young. A brown or black band from 

 the eye to the gape. Superciliary with one or two black streaks. 

 Belly yeUowish green, with yellow and black spots along the 

 sides. Tail black, with green and yellow spots. The young are 

 reddish olive, with indistinct markings. 



Grows to 24 inches. (Tail 3'5.) 



Inhabits the AnamaUay HiUs. 



T. monticola. Gray. An. & Mag., N. H., 1858, XII, 392. 



Supranasals separated by a pair of small shields. Scales on the 

 head smooth. On the body keeled in 21 — 23 rows. Ventrals 

 137 — 141. Subcaudals 41. Eye small. Colour in male blackish 

 ash, in females and young pale brown. Two rows of square black 

 spots along the back, alternately placed, or confluent. Sides 

 black or brown spotted. A yellow or white streak from the eye 

 to the neck, with a Y-like mark on the neck. Belly densely 

 marbled with brown. 



Grows to 21 inches. (Tail 2-50.) 



Inhabits the Central and Eastern Himalayas from 2,000 to 

 8,000 feet, the Khasi HiUs and Yunan. 



T. erythnirus, Cantor. P. Z. S., 1859, p. 31. 

 T. albolabris, Gray. Zool. Mis., p. 48. 

 Trigonocephelus viridis, Schl. Phys. Scop. II, p. 544. 

 PI. 19, f. 12,13. 



Supranasals in contact behind the rostral, with rarely a small 

 shield between. Scales in 21 — 23 rows. The head " elongately 

 oval, more depressed than in either T.grrammetts or T. carinatus" 

 (Stol.) Scales of the head slightly, of the body strongly, keeled. 

 Ventrals 150 — 164. Subcaudals 54 — 70. Colour grass green 

 above, lighter on the sides. Tail rusty. Lips and chin whitish, 

 and a white lateral line bordered below with greenish or purple. 



