2/40 Occasionally it reaches 125 deg., and is then fearfully oppressive. Fierce gusts laden with sand sweep over the plain, causing vegetation to droop or disappear, and the animal world to hide itself. Man with difficulty retains life at these trying times, feeling a languor and a depression of spirits which are barely supportable.10 All who can do so quit the plains and betake themselves to the upland region till the great heats are past, and the advance of autumn brings at any rate cool nights and mornings. |