630 mr. g. a. boulenger on the 



10. Rhamphiophis. 



Peters, Mon. Berl. Ac. 1854, p. 624; Boiileng. Cat. 8n. iii. 

 p. 144. 



Two species : — ■ 



Snout rounded; scales in 19 rows; ventrals 230-241; sub- 



caudals 154-160 S. rubropunctatv.s. 



Snout somewhat hooked in profile ; scales in 17 i-ows ; ventrals 



148-192; subcaudals 90-110 It. oxyrhynchus. 



1. Rhamphiophis rubropunctatus. 



Dipsina ruhrojpunctata Fischer, Jalirb. Hamb. Wiss. Anst. i, 

 1884, p. 7, pi. i. fig. 3. 



Rhamphiophis rubropunctatus Bouleng. t. c. p. 146. 

 Egyptian Soudan and East Africa. 



2. Rhamphiophis oxyrhynchus. 



Psammophis oxyrhynchus Reinh. Vid. Selsk. Skrift. x. 1843, 

 p. 244. 



Rhamphiophis oxyrhynchus Bouleng. ]. c. 

 Tropical Africa. 



11. Dromophis. . 



Peters, Mon. Berl. Ac. 1869, p. 447; Bouleng. Cat. Sn. iii. 

 p. 149. 



1 . Dromophis lineatus. 



Dryophylax lineatus Dum. & Bibr. Erp, Gen. vii. p. 1124. 

 Dromophis lineatus Bouleng. 1. c. 



Coast of Guinea to Egyptian )Soudan and Zanzibar Coast ; 

 NyassaJand. 



12. Psammophis. 



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



/Synopsis of the Species. 



I. Scales in 17 rows ; 2 or 3 superposed anterior temporals. 

 Rostral broader than deep ; ventrals 177-192 ; subcaudals 130- 



178 P. punetulatus. 



Rostral broader than deep ; ventrals 151-180 ; subcaudals 100- 



119 P. suhtceniatus. 



Rostral as deep as broad P. sibilans. 



II. Scales in 15 rows; 2 superposed anterior temporals P. biseriatus. 



III. Scales in 11 rows ; a single anterior temporal F, angolensis. 



1. Psammophis punctulatus Dum. & Bibr. Erp. Gen. vii. 

 p. 897 ; Bouleng. t. c. p. 159. 



East Africa, from the Blue Nile to Mozambique ; Arabia. 



