THE PURSUIT OF KNOWLEDGE UNDER DIFFICULTIES; ILLUSTRATED BY ANECDOTES. IN THREE VOLUMES. VOL. III. A NEW EDITION, REVISED AND CORRECTED BY THE AUTHOR. LONDON: CHARLES KNIGHT & Co., LUDGATE STREET. 1845. CONTENTS OF VOL. III. Usefulness of such encouragements as the examples here given are calculated to afford to youthful ge- nius in every department of study. Self-educated |