304 MR. G. A. BOULENGER ON THE 



Two species : — 



Scales in 19 rows ; veiitrals 174-190 T. savignt/i. 



Scales in 23 (rarely 21) rows; veiitrals 213-272 ■ T. obtnstts. 



1. Tarbophis savignyi Bouleng. t. c. p. 48. 

 N. Egypt, Syria. 



2. Tarbophis obtusus. 



Coluber obtusus Renss, Mus. Senckeiib. i. 1834, p. 137. 



Tarbophis obtusus Bouleng. t. c. p. 52. 



Egypt to Somaliland, Mauritania and N. Nigeria, 



2. Leptodira, 



Giinth. Cat. Col. Sn. p. 165; Bouleng. Cat. Sn. iii. p. 88. 



1. Leptodira tripolitana Werner, Zool. Jahrb., Syst. xxvii. 

 1909, p. 619. 

 Tripoli. 



3. CCELOPELTIS. 



Wagl. Syst. Amph. p. 189; Bouleng. Cat. Sn. iii. p. 141. 



Two species : — 



Two loreals ; frontal very narrow in the middle; subcaudals 



68-102 • C. mons]jessuIana. 



A single loreal : frontal as broad as tlie supraocular ; sub- 

 caudals 48-73 C. tnoilensis. 



1. CcELOPELTIS MONSPESSULATs'A. 



Coluber monspessulanus Herm. Obs. Zool. i. p. 283. 

 Ccdopeliis monspfissulana Bouleng. 1. c. 



Borders of the Mediterranean, southwards to Mauritania, east- 

 wards to Persia. 



2. CcELOPELTIS MOILENSIS. 



Coluber moilensis Beuss, Mus. Senckenb. i. 1834, p. 142. pi. vii. 



Goelopeltis moilensis Bouleng. t. c. p. 143. 



ISTorthern Sahara, from Algeria to Egypt, Nubia, Arabia, 

 Western Persia. 



4. PSAMMOPHIS. 



Boie, Isis, 1827, p. 521 ; Bouleng. Oat. Sn. iii. p. 152. 



Two species : — 



Loreal 3 to 4 times as long as deep ; usually 9 upper labials, 5th and 



6th entering the eye P. scJinJcart. 



Loreal If to 2j times as long as deep ; usually 8 upper labials, 4th 



and 5th entering the eye P. sihilans. 



