Lars Gabriel Andersson. 



10. Tarbophis obtusus E-euss. Seven specimens, one (n:r 2) 

 bought in Cairo, the six others from Khartoum. February — 

 March 1901. 



„ 7 The tail and hind part of the body broken. 

 All the specimens with dark crossbands with narrow pale 

 interspaces, the colours becoming gradually more indistinct in 

 the same degree as the length of the animal increases. 



11. Psammophis schokari Forsk. One specimen. Wadi 

 Hebran. Sinai. 16 / 6 1901. Total length 1240 mm, tail 340 mm, 

 v. 205, c. 115, scalerows 19. 



The ventrals are somewhat more numerous than in speci- 

 mens hitherto mentioned, the maximum stated by Boulenger 

 being 195 and that stated by John Anderson being 194. The 

 rows of scales on the body also differ from their usual arran- 

 gement, of 47 specimens mentioned by J. Anderson only two 

 had 19, all the others 17 rows. 



12. Psammophis sibilans L. 10 specimens bought in Cairo. 

 N:o 1 total length 1280 mm, tail 380 mm, v. 168, c. 100. 



All the specimens belong to the striped form, the stripes 

 being very distinct with the exception of n:r 1, where the sides 



*) The tail mutilated. 



