G. A. BOULENGEE-EEPTILIA. 247 



each side of the head, from above the nostril to above the last labial shield ; the end 

 of the tail is black or blackish. 



The largest specimen measures 630 mm., in which the tail enters for 85. 



[Several specimens of this very distinct species were obtained in the Mubuku Valley, 

 E. Ruwenzori, between 6000 and 6500 feet altitude. 



This fine Snake may sometimes be seen coiled up round the stem of elephant-grass 

 10 feet above the ground. One of the specimens contains embryos. — R. B. W.~\ 



