One winged ant—dark, with sand-coloured patches.
Arachnida—Araneina.
Six species of spiders. One of these is a beautiful mimic of an ant.
The above list is necessarily imperfect. It had to be compiled immediately for the publication of this volume, and there has been no time to properly "work out" many of the species. It is interesting to note the pale tint of so many of these Sudanese insects—a manifest adaptation to environment, for purposes of concealment amid the yellow sand of the desert.
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