240 SIX MONTHS IN MEXICO, 



are about to visit. You ought to wear 

 flannel next your skin, and your feet should 

 be always kept dry and warm. A light 

 broad-brimmed hat will be the pleasantest 

 to wear; but even with it you ought never 

 to expose yourself to the sun. Wear always 

 a light silk umbrella, as a shade from the 

 sun's rays. Exposure to the sun in an in- 

 tertropical climate is always hurtful to an 

 European. If, owing either to the effects of 

 a warm climate, or to the warmth occasioned 

 by the flannel, the prickly heat should ap- 

 pear on the surface of your body, use no 

 means to cure it, further than taking an 

 aperient dose of salts; for as long as it re- 

 mains out, you have little chance of being 

 seized by any other complaint. Remember 

 always to change your clothes after the least 

 degree of wet. If this precaution should at 

 any time be out of your power, instead of 

 it, or even in addition to it, drink large 



