TO
HENRY SMITH, ESQ.
MEMBER OF THE ROYAL COLLEGE OF SURGEONS.
My d e a r S i r ,
T h e r e is no one to whom I can,
with so much propriety, or so much pleasure,
inscribe this little volume, as to you, who
have aided me throughout the whole series of
experiments which it details, with such talent
and patience.
I must still make a further demand upop your
kindness, and beg your assistance in my projected
experiments upon Respiration. Notwithstanding
the accuracy with which the changes induced
a
