406 



COLTTBEID^. 



little longer than its distance from the end of the snout, shorter 

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

 ooulars, with one or two suboculars below them ; upper 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 obtusely angulate laterally, 190- 

 222 ; anal divided ; subcaudals 75-101. Pale buff or 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 ; an 

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

 angle of the mouth ; head sometimes neaily 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 (St. 21 , 2] ; 



V. 197, 194; C. 94, 



90), ? (Sc. 21,21; V. 



201, 210; 0. 95. 87), 



& yg. (Sc. 21 ; V. 192 ; 



C. 89). 

 /. d (Sc. 21 ; V. 202 ; C. 



101). 

 g. ? (Sc. 23 ; V. 211 ; 



0. 8i^). 

 h. 5 (Sc. 21 ; V. 209 ; C. 



93). 

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



0. ?)• 



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

 206; 0.82). 



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



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



V. 206 ; C. 86). 

 n. Hgr. (Sc. 23 ; V. 218 ; 



0. 97). 



0. ? (So. 21; V. 216 



C. 89). 

 p. S (Sc. 21 ; V. 197 



C. 85). 

 q. P (Sc. 21; V. 211 



0. ?). 

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



C. 84). 



Shiraz. 



(Types of Z. caudoUneatiis.) 



Dehbid, Persia. 



Karman. W. T. Blanford, Esq. 



[E.]. 



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

 han. [i:.]. 



Ain Dara, W. slope of M. C. Eylandt [C.]. 

 Copet Dagh, Trans- 

 caspia. 



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

 Copet Dagh, Irans- 

 caspia. 



Puli Hatun, Trans- M. 0. Eylandt [0.]. 

 caspia. 



Samaikand. St. Petersburg Mus. 



[E.]. (As typical of 

 Z. fedtschmikoi^ 



Zandra, Afghanistan. Mr. J. A. Murray 



[P-]- 

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



Afghan Boundary Commission. 

 Chin Kilak. Dr. J. Aitchison [0.]. 



Afghan Boundary Commission. 

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



Afghan Boundary Commission. 



