THE TWO-HORNED RHINOCEROS 127 



to be difficult; but with decent trackers the 

 beast will probably be found eventually, and, 

 apparently, it makes little difference how much 

 time is wasted in trying to pick out the trail, 

 since the animal can be shot just as easily when 

 lying up in a wallow as when he is feeding. Mr. 

 Thorn remarks on the peculiar humming noise 

 a rhino makes when wallowing, and says that it 

 can be heard for a considerable distance. 



