AGALGO — THE KANGA. 
139 
busy about. We are encamped at a place called 
Agalgo, or Agallegu. There is a well at the dis- 
tance of an hour; so that the number of days during 
which no water is found is reduced to three : but 
this water is a sort of collection from the rain re- 
maining beyond its time, and is not always found. 
We are now on the edge of the plateau. En- 
]NToor said to-day, " There are five thousand camels 
with us;" but I question whether there be more than 
two thousand. It is of great importance to ascertain 
this, for thus only the force of the country may be 
estimated. We are now said to be eight days from 
Damerghou. 
The Sultan of Asoudee has detained many of 
En-Noor's young people, to protect the country in 
case there be any troubles with the Kalfadai". 
Several pieces of scoria, or lava, were found on 
the road, showing a district here once to have had 
active volcanoes. The granite begins to disappear, 
to be replaced by sandstone. This sandstone, ge- 
nerally, according to Overweg, forms plateaux; 
whereas granite is found in rocks and ridges in the 
midst of valleys. 
28th. — We started early. The camels move on 
at the beginning of their day's work to the beating 
of the hanga, or drum. We have two or three 
drums, but the drummers have little skill, and the 
beating is always the same monotonous sound. 
Our course varied from S.E. to S.W., but lay 
always southward, through shallow valleys, or low, 
