FEVERS. 485 



able change in the state of the secretions. The circumstances just 

 now mentioned shew it in the secretion of the saliva and mucus 

 of the mouth ; and it is still more remarkable with respect to 

 the urine. During the cold stage the urine is almost colour- 

 less, and without cloud or sediment. In the hot stage it be- 

 comes high coloured, but is still without sediment. After the 

 sweat has flowed freely, the urine deposites a sediment com- 

 monly lateritious, and continues to do so for some time after the 

 paroxysm is over. 



XVII. Excepting in certain uncommon cases, which are at- 

 tended throughout with a diarrhrea, stools seldom occur till to- 

 wards the end of a paroxysm, when commonly a stool happens^ 

 and which is generally of a loose kind. 



XVIII. Analogous to these changes in the state of the secre- 

 tions, it frequently happens that tumours subsisting on the 

 surface of the body, suffer, during the cold stage of fevers, a 

 sudden and considerable detumescence ; but generally, though 

 not always, the tumours return to their former size during the 

 sweating stage. In like manner, ulcers are sometimes dried up 

 during the cold stage, and return again to discharge matter dur- 

 ing the sweating stage, or after the paroxysm is over. 



XIX. Certain changes appear also in sensation and thought 

 During the cold stage the sensibility is often greatly impaired ; 

 but when the hot stage is formed, the sensibility is recovered, 

 and often considerably increased. 



XX. With respect to the intellectual functions, when the cold 

 stage comes on, attention and recollection become difficult, and 

 continue more or less so during the whole paroxysm. Hence 

 some confusion of thought takes place, and often arises to a de- 

 lirium, which sometimes comes on at the beginning of the cold 

 stage, but more frequently not till the hot stage be formed. 



XXI. It belongs also to this place to remark, that the cold 

 stage sometimes comes on with a drowsiness and stupor, which 

 often increase to a degree that may be called comatose or apo- 

 plectic. " With the tremor, too, other symptoms sometimes oc- 

 cur, as spasmodic and convulsive affections, all of which grad- 

 ually decrease with the hot fit." 



XXII. We have still to add, that sometimes, early in the cold 

 stage, a headach comes on ; but which, more commonly, is not 



