SAMUEL W. JOHNSON, A. M.,

PROFESSOR OF ANALYTICAL AND AGRICULTURAL CHEMISTRY, YALE COLLEGE.

FULLY ILLUSTRATED.

NEW-YORK:

ORANGE JUDD & COMPANY.

245 BROADWAY.

Entered according to Act of Congress, in the year 1866, by

ORANGE JUDD & CO.,

At the Clerk's Office of the District Court of the United States for the Southern District of New-York.

Lovejoy & Son, Electrotypers and Stereotypers 15 Vandewater street N. Y.

TO MY FATHER,

MY EARLIEST AND BEST

INSTRUCTOR IN RURAL AFFAIRS,

THIS VOLUME

IS GRATEFULLY DEDICATED.

S. W. J.