( 171 ) 



detached from the third labial. Two postoculars. 8 upper labials, 

 the fourth and fifth entering the orbit, the fifth highest. Scales 

 elongate, smooth with a pair of apical grooves in 21 or 23 rows. 

 Anal bifid. Colour during life, oUve green above, almost uniform 

 in adults, or with numerous transverse white bars, one scale 

 broad edged posteriorly with dark brown on the anterior 

 part of the body, branched and reticulated on the sides. Below 

 greenish white. 



Grows to 41 inches. (Tail 9.) 



Inhabits Southern India, Bengal, and Province Wellesley. 



Z. brachyurus, Giinther. An. & Mag., N. H., 1866, Vol. p. 27. 



Habit of a small dromicus. Eye small. Prsefrontals half as 

 large as postfrontals. Occipitala rounded behind. Loreal 

 square. One prseocular touching the vertical. Two postoculars. 

 8 upper labials, the fourth and fifth entering the orhit. Scales 

 elongate, smooth in 23 rows. Anal entvre. Scuta 225 not 

 keeled. Caudals 46. Colour alive uniform olivaceous above 

 and whitish below (Blanford), The type (in spirits) displayed 

 irregular brown spots on the head and fore part of trunk, ranged 

 in longitudinal series and narrowly edged with yellow. Ante- 

 rior ventrals brownish, edged behind with yellow. 



Grows to 21-5 inches. (Tail 3.) 



Inhabits Punah and South-East Berar. 



Z. diadema, Schl. 



Periops parallelus, Jem. et Sor. 

 Prsefrontals rather larger than postfrontals, which are separated 

 from the vertical by a transverse row of four small shields. 

 Loreals three or four. One prseocular reaching to, or nearly to 

 the vertical. A row of small shields below and behind the orbit. 

 Upper labials small about 14. Scales ovate, keeled in 27, 29 

 rows. Anal entire. Ventrals keeled at the sides. Colour yel- 

 lowish olive with a dorsal series of round brown spots and a 

 double row of short brown longitudinal streaks along each side. 

 Shields of snout brown spotted. A brown cross band between the 

 orbits continued to the gape. A horse-shoe band on the occipitals. 



