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SKETCH BOOK OF POPULAR QEOLOaY. POPULAR GEOLOGY: SERIES OF LECTURES READ BEFORE THE PHILOSOPHICAL INSTITUTION OF EDINBURGH. ^mx^tik Sbttljes from k (l^Mogist's |0rtf0li0* B Y HUGH MILLER. AVITH AN INTRODUCTORY RESUME OF THE PROGRESS OF GEOLOGICAL SCIETCj WITHIN THE LAST TWO YEARS, BY MRS. MILLER, BOSTON: A aOULD AND LINCOLN, 59 WASHINGTON STREET. NEW YORK: SHELDON AND COMPANY. CINCINNATI: GEORGE 8. BLAKCHARD. 1859.