TO 
GEORGE CHARLES, M.D. 
EDINBURGH. 
My Dear Sir, 
I hesitate not for a moment 
to inscribe this work to you, under whose bold, 
enlightened, and successful practice I first acquired 
a desire to investigate the causes and treatment 
of pr Sones I rejoice to avail myself of this 
occasion to express the high esteem which I enter- 
tain for your worth, and my lasting gratitude 
for the obligations which I have derived from 
your interest and friendship. 
I have the honour to be 
Your obedient humble servant, 
S. HOOD. 
