IIKAI/I'II OF ESTABLISHMENT. 45 



permanently, they should all be compelled to sleep in rooms 

 at least ten feet above the ground, the lower rooms might be 

 converted into stores, offices, cattle sheds, &c. The water 

 should be drawn from a well, if possible, and should be tested 

 occasionally with per maganate of potash to ascertain if it is 

 free from impurities, one grain is sufficient for this purpose 

 if pure, the water shows a lovely pink deepening to violet 

 with a larger dose, but turning to brown if the water is 

 unfit for use for drinking and cooking purposes. Jungle-fever 

 invariably breaks out on the thirteenth day counting from the 

 first night of sleeping in the jungle, and if precautions are 

 taken within the thirteenth day, such as an aperient dose fol- 

 lowed up by five grains of quinine a.day or two previous to the 

 thirteenth day, the fever, if not averted, will be very much 

 modified. Sleeping in rnusquito curtains will be found an ex- 

 cellent safe-guard. Natives invariably cover their faces with 

 their cloths when sleeping which acts in the same manner, 

 viz.) by preventing the entrance of malarious gases on the 

 same principle as the safety lamp of Sir Humphrey Davy. 

 The Italian Doctors have lately discovered that in the blood of 

 the fever patient, there are numbers of infusorisQ which were 

 destroyed by the taking of quinine. It is of little use 

 taking quinine until the bowels have been cleared out, nor 

 should it be administered on an empty stomach. The mixture 

 for fever in Ceylon was a table-spoonful of salts, a tea-spoon- 

 ful of jalap and half a tea-spoonful of quinine, all mixed to- 

 gether in a wine-glassful of water. Natives delight in eme- 

 tics, and no doubt in the early stages of fever they are very 

 useful, five grains of Ipecacuanha, with one-and-half grains of 

 tartar emetic in a pint of water taken, in three or more doses 

 according to the action, within an hour (as no two people bear 

 the same dose) followed by lots of hot water when vomiting 

 has begun. I have sometimes had as many as twenty bandy- 

 men in a row taking emetics, and all my work stopped. Some- 

 times a wave of fever passes over a forest and prostrates 

 nearly every man even Cornmbers, sometimes not escaping. 

 A large stock of Cinchona Alkaloids should always be kept 

 in the forests ; for dysentery, ten to fifteen drops of laudanum 



