SECT. XIX. PHYSIOLOGY. 175 
vessels retains the blood in abundance at the 
surface of the body, which renders digestion more 
tedious in tropical climates than in the temperate 
and frigid zones. The coarse fat aliment which 
is easily digested by the Greenlander, would be 
instantly rejected by the stomach of: the Hindoo. 
ccccxxxt1. All nations use condiments of some 
description, which give increased activity to the 
vital force of the stomach, and the hotter the 
climate the more necessary they become. They 
require, however, to be used with discretion, for 
any stimulus, however salutary, may induce de- 
bility when employed beyond proper limits. 
ccccxxxu. A moderate quantity of wine, or 
other alcoholic beverages, also augment the vital 
force of the stomach, and consequently increases 
its digestive power; in youth they are, however, 
superfluous, but in the decline of life necessary. 
Nihil nimius, is a precaution which every judicious 
man should observe in his enjoyments, but in 
none more than in his use of wine, or stimulants, 
of whatever description they may be. 
ccccxxx1m. The chyme is a pulpy semi-fluid 
mass, varying in appearance according to the 
nature of the aliment and drink from which it is 
formed. The chyme is stated to contain an acid, 
which cireumstance might almost be presumed 
a priori, from the number of ingredients which 
enter into its formation. 
