

TO 



SIR ASTLEY PASTON COOPER, BART., F.R.S., 



MEMBER OF THE INSTITUTE OF PRANCE, 



THIS WORK 



18 RESPECTFULLY INSCRIBED, 



IN ADMIRATION OP HIS GREAT AND ACKNOWLEDGED GENIUS; 



AND OF HIS SPLENDID AND UNWEARYING LABOURS 



IN THE CAUSE OF MEDICAL SCIENCE, 



BY 



THE AUTHOR. 



