SECT. VII. PHYSIOLOGY. 55 
cxvi. Upon the same principle, the colour of 
the Indian’s skin must contribute to the above 
change in the distribution of the blood, as black 
surfaces radiate caloric faster than white ones. 
cxvit. Persons under salivation, whether for 
dysentery or lues venerea, are obnoxious to the 
Indian cholera; and notwithstanding the high 
repute of calomel as an antidote against it, there 
are strong reasons for suspecting that salivation 
may be reckoned among its exciting causes. 
cxvu. The cholera morbus of Cullen, was pre- 
vailing among the newly-arrived troops in Fort St. 
George, while the Indian cholera was prevalent 
there in 1818, but in no instance did the latter 
terminate in the former. One officer had no less 
than three relapses of common cholera, which 
never showed the slightest tendency to assume any 
of the characteristic symptoms of the prevailing 
epidemic. 
cxrx. Those persons who are properly clothed 
and use a nutritive diet, with a moderate quantity 
of wine, are almost secure against this disease, 
even in its most epidemic form. The 25th dra- 
goons, stationed in at Arcot, were 500 strong; 
nearly 100 privates took the Indian cholera, but 
not one officer had it. 
cxx. Some entertain the belief, that this dis- 
order is contagious, but from its extreme brevity 

