MY DEAR SIR,

There is not an individual in the whole circle of the profession, to

whom I could with greater satisfaction, or with so much propriety,

dedicate this work, as to yourself.

Ardent and zealous in the advancement of our science, you must deeply

deplore the prejudices that retard its progress;—eminently enlightened

in Natural History, you can justly appreciate the importance of its

applications to Medicine; while your well known earnestness in upholding

the dignity, and in encouraging the legitimate exercise of our

profession, marks you as the most proper patron of a work, the aim of

which is to extinguish the false lights of empiricism, and to substitute

a steady beacon on the solid and permanent basis of truth and science:

at the same time, the extensive practice which your talents and urbanity

so justly command in this metropolis, must long since have taught you

the full extent of that empiricism which it has been my endeavour to

expose, and the practical mischief of that ignorance which it has been

my object to enlighten.

Nor let me omit to mention the claims of that friendship which has for

many years subsisted between us; be assured that I am gratefully

sensible of those personal obligations which so fully justify this

public avowal of them; confidently trusting that you will not measure

the gratitude which your kindness has inspired, by the merits of the

offering by which it is acknowledged, but rather by the truth and

sincerity of the Dedication, by which I am enabled to express

My respect for your talents;

esteem for your virtues;

and wishes for your happiness;

JOHN AYRTON PARIS.

_Dover-street, April, 1829._

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