36 
BULLETIN 1300, U. 
DEPARTMENT OF AGRICULTURE 
/ > ££C£&//6 f££C£#/«& /KGOBPim- Ss?/?£ £&LJJm& WltiPJMYZ 
y£j£ r&f/> r£stf& tzsz r&?£. r£sf£ 
CO&S/ C&Oj° 
CO&M /*&/C£ 
SM&sr£je// /34C/C 
/*f<ST/z#/V A&je/c 
Fig. 25.— The typical variations of the quantities indicated along the left margin in relation to a given 
variation in the western winter pork production. The solid lines represent the observed average 
variations (correlations), the dotted lines, those expected according to the theory advanced in the text. 
The vertical lines separate the longer summer and shorter winter seasons of six years i^see legend of 
rig. 16) 
