SUMMER HEAT 



175 



three or four times, or as often as water is found, I 

 am able to keep my head perfectly cool during a 

 ramble of ten or twelve hours on a cloudless day in 

 July and August. Long ago, in South America, I 

 discovered that the wet cloth was a great improve- 



OuT OF Gaol 



ment on the cabbage-leaf, or thick fleshy leaf of some 

 kind, which is universally used as a brain-protector. 

 So long as the head is comfortable there is nothing 

 to fear, the rest of the system being safeguarded by 

 nature. Exercise keeps the body cool. 



