406 



COLtTBRII)^. 



little lonp;cr tlian its distance from the end of the snout, shorter 

 than the parietals ; loreal as long as deep or a little longer ; two prae- 

 oculars, with one or twosi;boculars below them ; ujjper prseocular in 

 contact with the frontal, usually more than half as long as the 

 supraocular ; two (rarely three) postoculars ; temporals very small 

 and scale-like ; nine or ten upper labials, fifth and sixth entering 

 the eye ; four or five lower labials in contact with the anterior 

 chin-shields ; posterior chin-shields about as long as the anterior, 

 but narrower and separated from each other by two or three rows 

 of scales. Scales with a more or less distinct, obtuse, or faint keel, 

 in 21 (rarely 23) rows. Ventrals obti;sely angulate laterally, 190- 

 222 ; anal divided ; subcaudals 75-101. Pale buffer greyish above, 

 with a dorsal series of dark rhomboidal spots or narrow cross bars, 

 alternating with a series of smaller spots on each side : the dorsal 

 spots usually confluent into longitudinal streaks on the tail ; au 

 oblique dark streak below the eye, and another from the eye to the 

 angle of the mouth ; head sometimes nearly entirely black, belly 

 uniform whitish or more or less obscured with blackish dots. 



Total length 1330 millim. ; tail 320. 



Transcaucasia, Persia, Transcaspia, Turkestan, Afghanistan. 



a-c, d-e. S (Sc. 21 , 2] ; 



V. 197, 194; C. 91, 



90), 2 (So. 21,21; V. 



201, 210; C. 95. 87), 



&yg.(Sc.21; V;i02; 



C. 89). 

 /. c^ (Sc. 21 ; V. 202 ; C. 



101). 

 r/. $ (Sc. 23; V. 211; 



C.SI). 

 h. 2 (Sc. 21 ; V. 209 ; C. 



93). 

 i. 6 (Sc. 21; V. 193; 



C. 't). 



k. Hgr. 5 (Sc. 21 ; V. 

 206; C. 82). 



J-m. S (Sc. 21 ; V. 190 ; 



C. 82) & vg. (Sc. 21 ; 



V. :^06 ; C. 80). 

 ??. Ilgr. (Sc. 23 ; V. 218 ; 



C. 97j. 



0. 2 (Sc. 21; V. 216 



C. 89). 

 p. 6 (Sc. 21 ; V. 197 



C. 8o). 

 q. ? (Sc. 21; V. 211 



0. ?). 

 r. Ilgr. (Sc. 21 ; V. 201 



C. 84). 



Shiraz. 



(Types of Z. caudolineatus.) 



Dehbid, Persia. 



Karman. W. T. Blanford, Esq. 



[E.]. 



Kohrud, N. of Isfa- W. T. Blanford, Esq. 

 han. [E.]. 



Ain Dara, \V. slope of M. C. Eylandt [C.]. 

 Copet Dagh, Trans- 

 caspia. 



Nuhar, W. slope of M. C. Eylaudt [C.]. 

 Copet Dagb, Trans- 

 caspia. 



Puli Hatun, Trans- M. C. Eylandt [C.]. 

 caspia. 



Saniaikand. 

 Zandra, Afghanistan 



St. Petersburg Mu,«. 

 [E.]. (As typical of 

 Z. fedtschenkoi.) 

 Mr. J. A. Murray 

 [P.]. 



Tirphul. Dr. J. Aitchison [0.]. 



Afghan Boundary Commission. 



Chin Kilak. Ur. J. Aitchison [C.]. 



Afghan Boundary Commission. 



Old Gulran. Dr. J. Aitchison [C.]. 



Afghan Boundary Commission. 



