snakes op west africa. 28t 



1. Tarbophis. 



Fleischm. Dalm. no^^ Serp. Gen. p. 17; Boaleng. O.i.t. Sn. iii. 

 p. 47. 



Two species : — 



Scales in 19 rows ; 7 to 9 upper labials T, varieqatus^ 



Scales in 21 or 23 rows ; 9 to 11 upper labials T. vhiusus. 



1. TarBOPBIS VARIEttATUS. 



Dijysas variegata Reiiili. Vid. Selsk. Skr. x. 1843, p. 249, pi. i. 

 figs. 15-17. 



Tarhophls variegatus Boiileng. t. c. p. 51. 



Leptoclira probeguini Mocquard, Bull. Mus. Paris, 1902, p. 45. 



Frencli Guinea to Cameroon. 



2. Tarbophis obtusus. 



Goliiber obtusus Reuss, Mus. Senckenb. i. 1834, p. 137. 



Tarhophis obtusus Bouleng. t. c. p. 52. 



Mauritania, Northern Nigeria, Egypt to Somaliland. 



2. Leptodira. 



Giintb. Cat. Col. Sn. p. 185 ; Bouleng. Cat. Sn. iii. p. 47, 

 Two species : — 



Veutrals 141-180; anal entire ; subcaudals 32-54 L. liotamboeia. 



Veutrals 201-235 ; anal divided ; subcaudals 94-121 L. ducJiesnii. 



1. Leptodira hotajibceia. 



Oorouella hotamboeia Laur. Syn. Kept. p. 85. 

 Lspiodira hotamboeia Bouleng. t. c. p. 89. 

 Tropical and South Africa. 



2. Leptodira DucHESNii Bouleng. Ann. jNIus. Congo, Zool. ii . 

 1901, p. 10, pi. iv. Hg. 1. 



D'qosadoiiiorphus viridis Sternf. Mitt. Zool. Mus. Berl. iii. 1908,. 

 p. 411, fig. 



Dipsadomorphus hrevirostris Sternf. 1. c. 

 Cameroon to Congo, eastwards to the Ituri. 



3. Dipsadomorphus. 



Fitzing. in Tschudi, Faun, Per., Herp, p, 55 ; Bouleng. Cat. 

 Sn. iii. p. 59. 



Two species : — 



Scales in 19 rows ; venti'als 236-276 ; anal entire ; subcaudals 



98-132 D. pulverulentiis. 



Scales in 21 to 25 rows ; veutrals 240-289 ; anal divided ; sub- 

 caudals 122-147 1). hlandingii. 



