346 
SAVAGE SUDAN 
suffered the mortification of encountering- a beautiful 
new species, quite close, without being able to secure a 
specimen. But having passed our word, never a rifle-shot 
did we fire on Zeraf. These Zeraf gazelles belonged 
presumably to the species known as the Mongalla 
gazelle (Gazella albonotata )—sketched at p. 342. 
Ariel— (By E. Caldwell). 
