After entering upon the district of Shamo, Barth observed that millet became rare, and that the sorghum was generally cultivated.

Still, Charlie thought the Shamo might be a low plain, and he thought he might find something in it.

He'd been all over the Shamo, and the big Sahara's a park to it.

You'll find the Shamo all dotted out on the maps; but it's faked dope.