104 ANALYTIC SECT. XI. 
a day or two; but on the fifth or sixth day, the 
expansibility of the arteries sinks to its natural 
state, while that of the veins continues preter- 
naturally augmented till the tenth; before which 
period, the capillaries are usually restored to their 
natural state by venal absorption. It is precisely 
upon this principle, of keeping up a corresponding 
degree of expansibility between the arteries and 
veins, that stimulants are beneficial in scalds. 
coxtvt. Dr. Sillar, who has had extensive prac- 
tice in neuralgia of the sacral extremities, informs 
me, that it is his opinion, if the lunar causti¢ 
could be applied in such a manner as to raise 
the expansibility of the veins to its healthy pitch, 
without influencing that of the arteries, the relief 
would generally be almost immediate. I feel much 
disposed to adopt this opinion; in favour of which, 
he possesses several beautiful cases in his Journal. 
ccxLvil. The paralytic stage of neuralgia being 
merely a temporary diminution of the vital force, 
the patient often feels himself more than half 
cured when the practitioner has finished the 
eschar. It is of great consequence to cure neu- 
ralgia of the sacral extremities during the first 
three months of the inflammatory stage; for 
when it has lasted more than a year, the patient 
is very obnoxoius to relapse. | 
ecxivut. In chronic inflammation of the joints, 
there is often a combination of arterial plethora 

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