171. PSAMMOPHIS, 



Fig. 11. 



153 



SkuU of Fsammophis scJiokari. 



Synopsis of the Species. 

 I. Scales in 17 rows, exceptionally 19. 



A. Eostral a little broader than deep, -weU visible from above. 



1. Anal entire; eight upper labials, fourth and fifth entering 



the eye. 



One prseocular ; fi.ve lower labials in 



contact with the anterior chin-shields ; 



ventrals 170-185 ; subcaudals 92-97 . . 1. leithii, p. 155. 

 Two praeoeulars ; four lower labials in 



contact with the anterior chin-shields ; 



ventrals 157-171 ; subcaudals 81-104. 2. notostictus, p. 156. 



2. Anal divided. 



a. Five or six lower labials in contact with the anterior 

 chin-shields ; usually nine upper labials, fifth and sixth 

 entering the eye ; prseocular in contact with the frontal ;' 

 ' ventrals 162-197. 

 Sixth upper labial shorter than the eye, 

 which is more than half the length of 



the snout ; subcaudals 93-149 3. schoTcari, p. 157. 



Sixth (exceptionally fifth) upper labial as 

 long as the eye, which is more than half 



