CU PETTIGREW, M.D. F.R.S. F.R.S.E. F.R.C.P.E.

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PATHOLOGIST TO THE ROYAL INFIRMARY OF EDINBURGH; CURATOR OF THE MUSEUM OF THE

ROYAL COLLEGE OF SURGEONS OF EDINBURGH ;

Extraordinary Member and late President of the Royal Medical Society of Edinburgh ; Croonian Lecturer
to the Royal Society of London for 1860; Lecturer to the Royal Institution of Great Britain and
Russell Institution, 1867 ; Lecturer to the Royal College of Surgeons of Edinburgh,
1872; Author of numerous Memoirs on Physiological Subjects in the

Philosophical and other Transactions, etc. etc. etc.

ILLUSTRATED BY 130 ENGRAVINGS ON WOOD.

HENRY S. KING & Co.

65 CORNHILL, AND 12 PATERNOSTER Row, LONDON.

1873.