28 
SAVAGE SUDAN 
must recognise the relationship at a glance. But there 
are others. From a skeleton-bush far out on the blazing 
sand, a sweet yet unknown song—somewhat insect-like-— 
Bifasciated Desert-Lark (i Certhilaudd ). 
strikes your ear. Its author is a feathered gem yclept 
Spiloptila damans ; but since its scientific sponsors ignore 
Cricket-Warbler (Spiloptila damans ) 
their own tongue, I will christen it the Cricket-warbler— 
portrait annexed. Then, high overhead, at sun-up, pass 
croaking files of sandgrouse bound for the distant Nile— 
from how far within the recesses of Sahara they have 
