144, TARBOPHIs. 47 
144, TARBOPHIS. 
Telescopus (non Montf.), Wagl. Syst. Amph. p. 182 (1830); Dum. 
§& Bibr. Erp. Gén. vii. p. 1054 (1854) ; Jan, Elenco sist. Ofid. 
p. 102 (1863). 
Tarbophis, Fleischm. Dalm. nov. Serp. Gen. p. 17 (1831); Dum. & 
Bibr. t. ec. p. 911; Jan, 1. c. p. 99. 
Trigonophis, Hichw. Zool. Spec. Ross. Pol. iii. p. 174 (1831). 
Dipsas, ea Schleg. Phys. Serp. ii. p. 257 (1887). 
Ailurophis, Bonap. Icon. Faun. Ital. ii. (1837). 
Tachymenis, part., Giinth. Cat. Col. Sn. p. 33 (1858). 
Maxillary teeth 10 to 12, anterior longest, gradually decreasing 
in size posteriorly, and followed, after an interspace, by a pair of 
enlarged, grooved fangs, situated below the posterior border of the 
eye; anterior mandibular teeth strongly enlarged. Head distinct 
from neck; eye moderate, with vertically elliptic pupil. Body 
_ cylindrical or slightly compressed; scales smooth, oblique, with 
apical pits, in 19 to 23 rows; ventrals rounded. ‘Tail moderate ; 
subcaudals in two rows. 
Maxillary and mandible of Tarbophis fallax. 
South-eastern Europe, South-western Asia, Tropical and North- 
eastern Africa. 
Synopsis of the Species. 
I. Loreal entering, or nearly entering, the eye. 
A. Seales in 19 or 21 rows. 
Posterior chin-shields narrowly sepa- 
rated from each other in front; 
ventrals 174-190 ; anal divided.... 1. savignyi, p. 48. 
Posterior chin-shields widely separated ; 
ventrals 186-222; anal divided.... 2. fallax, p. 48. 
Posterior chin-shields widely separated ; 
ventrals 203-235; analentire .... 3. iberus, p. 49. 
B. Scales in 23 rows ; ventrals 268-280 ; anal entire. 
4. rhinopoma, p. 50. 
