HARVARD COLLEGE LIBRARY
FROM THE L. TRY OF
ROBERT MATTESON JOHNSTON
SEPT. 10, 1920

NOTE.

IT has been the Editor's continual endeavour to render due acknowledgment, in the proper place, for permission generously granted to make use of extracts from copyrighted publications. Should any error or omission be found, he requests that it may be brought to his notice, that it may be corrected in subsequent editions.

R. Garnett.