88. COEONELLA. 



189 



times very slightly ; mandibular teeth subeqiial. Head not or but 

 slightly distinct from neck ; eye moderate or rather small, with 

 round pupil. Body cylindrical or slightly compressed ; scales smooth, 

 ■with apical pits, in 15 to 25 rows; ventrals not or but obtusely 

 angulate laterally. Tail moderate ; subcaudals in two rows. 



Europe, South-western Asia, India, Africa, America north of the 

 Equator. 



Eig. 16. 



Synopsis of the Species. 

 I. One praeocular ; scales in 17 rows or more. 

 A. Anal divided ; scales in 19-21 rows. 



1. Rostral as deep as broad ; usually two superposed anterior 



temporals. 



•Third and fourth (rarely fourth and fifth) 

 labials entering the eye ; scales in 19 



rows 1. austriaca, p. 191. 



Fourth and fifth labials entering the eye ; 



scales in 21 rows 2. amalice, p. 193. 



2. Eostral much broader than deep ; usually two or three 

 superposed anterior temporals ; scales usually in 21 rows. 



Supraocular extensively in contact with 



the pncf rental 3. gh-ondica, p. 194. 



Praiocular reaching or nearly reaching the 



frontal 4. semioriiata, p. 195. 



