SIX MONTHS IN MEXICO. 245 



fected by it, still, in such places, its causes 

 are always present in a more concentrated 

 form. 



Fever. — If you should perceive the invad- 

 ing symptoms of fever commencing, as pain 

 in the back, loins, and limbs ; yawning, slug- 

 gishness, pale countenance, cold surface, me- 

 grims, and nausea, &c, — open your bowels 

 very gently, and add to the aperient some- 

 thing warm and stimulating, as cayenne 

 pepper. Immediately after having taken the 

 aperient, drink plentifully of warm diluents, 

 take a warm bath, and employ most assidu- 

 ously, after coming out of it, frictions with a 

 coarse towel, over the whole surface of the 

 body. These means will bring about reaction 

 or excitement of the system ; but they need 

 not be employed unless the symptoms I have 

 mentioned are present. If you feel your head 

 to ache violently, and your temples to throb ; 

 your eyes and face flushed ; your pulse hard 



