"COPTKIGHT, 1898 



BY FRED W. CARD 



COPTBIGHT, 1917 



BT THE MACMILLAN COMPANY 



Set up and electrotyped, October, 1898. 



Reprinted with corrections, 1901; November, 1903, 



and November, 1907. 



New and Revised Edition, May, 1917. 



MAJN LIBRARY-AGRICULTURE 



