28a DISEASES SECT. XXXIL i. 



SECT. XXXIL 



DISEASES OF IRRITATION. 



I. Irritative fevers with Jlrong pulfe. With weak pulfe. Symp- 

 toms of fever. Their four ce. II. I. <j$uick pulfe is owing to 

 deer eafed irritability. 2. Not in Jleep or in apoplexy. 3 From 

 inanition. Owing to deficiency of fenforial power. III. i. Caufes 

 of fever. From def eft of heat. Heat from fecretions.. Pain of 

 cold in the loins and forehead, 2. Great expenfe of fenforial power 

 in the vital motions. Immerfion in cold water. Succeeding glow 

 of heat. Difficult refpiration in cold bathing explained. Why 

 the cold bath invigorates. Bracing and relaxation are mechanical 

 terms. 3. Ufes of cold bathing. Ufes of cold air in J ever s. 4. 

 Ague Jits from cold air. Whence their periodical returns. IV. 

 Defecl of difiention a caufe of fever. Deficiency of blood. Tranf- 

 fufion of blood. V. i. Defeft of momentum of the blood from me- 

 chanicfiimuli. 2. Air injecled into the blood vefle/s. 3. Exer- 

 cife increafes the momentum of the blood- 4. Sometimes bleeding 

 increafes the momentum of it. VL Influence of the fun and moon 

 en difeafes. The chemical ftimulus of the blood. M.enjlruation 

 obeys the lunations. Queries. VII. ^uiefcence of large glands 

 a caufe of fever. -Swelling of the pr&cordia. VIII. Other caufe f 

 of quiefcence, as hunger, bad air, fear, anxiety. IX. I . Symp- 

 toms of the cold fit. 2 Of the hot fit. 3. Second cold fit why. 

 4. Inflammation introduced, or delirium, orfiupor, Xi Recap- 

 itulation. Fever not an effort of nature to relieve h erf elf. Doc* 

 trine of fpafm. 



I. WHEN the contraftile fides of the heart and arteries per- 

 form a greater number of pulfations in a given lime, and move 

 through a greater area at each pulfation, whether thefe motions 

 are occafioned by the ftimulus of the acrimony or quantity of the 

 blood, or by their aflbciation with other irritative motions, or by 

 the increafed irritability of the arterial fyftem, that is, by an in- 

 creafed quantity of fenforial power, one kind of fever is produ- 

 ced ; which may be called Synocha irritativa, or Febris irritativa 

 pulfu forti, or irritative fever with ftrong pulfe. 



When the contractile fides of the heart and arteries perform 

 a greater number of pulfations in a given time, but move through 

 a much lefs area at each pulfation, whether thefe motions are 

 occafioned by defeat of their natural ftimuli, or by the defet of 

 other irritative motions with which they are aflbciated, or from 

 the inirritability of the arterial fyftem, that is, from a decreafed 



quantity 



