mamtma^m 





A LOCUST-SWARM. 



Note the myriads of these insects in the air and on the ground. In the 



Voethanger or hopping stage Locusts can now be easily exterminated bv 



means of poisoned rings on the Veld. The Kalahari Desert is their favourite 



breeding place. (Photo bv J. M. J. Muller.) 



