OCT 18 1S21 
Bulletin 56. (Technical Series No. 5.) May, 1900. 
The Agricultural Experiment Station 
OF THE 
Agricultural College of Colora(do. 
THE 
A Second Appendix to Bulletin 
No. 37 
—BY— 
W. W. COOKE 
PUBLISHED BY THE EXPERIMENT STATION 
Fort Collins, Colorado. 
