PAPERS ON BIOLOGY AND AGRICULTURE 



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(5), (6) and other animals (7), (2), the location of es- 

 caped plantings must be determined, in some degree, by 

 the presence of floral or topographic situations likely to 

 be visited by the birds and animals after feeding. This 

 fact is illustrated by the relation of naturalized and cul- 

 tivated plantings as shown in maps 1-8. Relative dis- 

 tances are certain to be important. An area in Lake 

 county drawn on map 9 (Township 45 North, Range 11 

 East of Third Principal Meridian) shows the profusion 

 of naturalized plantings to be expected where favorable 

 bird habitats abound in close proximity to cultivated 

 shrubs. Whether or not the seeds so distributed shall 

 spring up into tall-growing, vigorous shrubs or, having 

 sprouted, shall eventually succumb to environmental in- 



Map 5. Lake County. Scale %" =1 mile. Markings same as Map 2. 



