114 WILD LIFE AMONGST BEASTIES beast was nearly a yard long, and the specimen is set up entire in the South African Museum.

The rhinoceros of the Sudan has a prehensile lip, fitted for gathering twigs, instead of the stumpy, grass-clipping muzzle of its cousin, who, while greatly exceeding the other in bulk, is by no means superior in fierceness and agility.

In the regions where termites infest the country, black hillocks show up amidst the grass. Often these assume the most curious shapes, and it becomes a matter of moment to decide whether they are in reality animals grazing, or merely the structures of the white ant.

I have looked at these objects intently to ascertain their actual character, and been subject to a common illusion. One so often sees that which one wishes to see, and the movement of grass blown by the wind becomes the movement of the hillock in stationary grass, thus giving apparent life to an inanimate object 1 In Rhodesia the ant-hills attain an enormous size, being often as much as 30 feet high, crowned by small groves of trees ; here they were miniature in comparison.

Clumps of the finger-leaf palm were scattered here and there, and on nearing one Ibrahim made his usual crouching stop, and I instantly followed his lead. We crawled breathlessly under its cover, progressing uphill, and just as we reached it a roan antelope lifted his head from the far side over the palm. My admiration was not reciprocated, and