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this bureau, as attacking fall oats. During this month in Texas east 
of a line drawn from near Gainesville through Abilene and San 
Diagram V.— Map of the United States east of the Rocky Mountains, showing normal temperature, 
upper line, and departure therefrom, lower line (+, above normal, and — , below), for the critical period 
December, 1906, to May, 1907; above normal (+) in winter and below normal (— ) in spring being 
favorable for outbreak of spring grain-aphis. (Original.) 
Antonio to Galveston the temperature was 9° F., above the normal. 
Within this area was a smaller one, the boundaries of which may be 
indicated by a line drawn from Texarkana to Fort Worth, Waco, and 
