Vi. PREFACE. 
Physiology of the Schools; and indeed it is but 
justice to Sir E. Home, to confess that this 
volume originated from his work on Strictures. 
To Dr. Sillar, of the Liverpool Dispensary, I 
am particularly indebted for his assistanee in 
collecting facts, for which I return him my most 
grateful and hearty thanks. 
LIVERPOOL, 
June, 1822. 
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