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but, with full consciousness of the many imperfections in this volume, I will yet dare to affirm that I have sought to be guided in writing it by those high traditions which have come down to our Profession, and which the English School of Medicine will ever have cause to veuerate as emauating from the illustrious Sydenham.
The delay which has occurred in issuing this work has, at all events, enabled me to profit by the Horatian maxim :-" Nonum prematur in annum membranis intus positis;" for I have, happily, surpassed that period.
Lastly, I will express my thanks to my publishers for much consideration and many courtesies.
LONDON, St. Bartholomew's Day, 1889.
