Chapter I: Preface: To Eighth Edition

This work of the late Dr. William Murrell having met with such a large measure of success, the publishers thought it would be well to bring out a new edition, and invited me to revise the last impression.

This I have done, and while retaining Dr. Murrell's text closely, I have made large additions, in order to bring the "Aids" up to present requirements. I have also rearranged the matter with the object of making the various sections more consecutive than they were previously.

W.G. AITCHISON ROBERTSON.

SURGEONS' HALL,
EDINBURGH,
_June_, 1914.

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