488 Forestry Quarterly. 



Table V. 



Growth in 20 Years on Land Cut Over by College — From 26 



Acres. 



Per Tree. Per Acre. 



Growth in 20 years, hoard feet, 



Scribner Decimal C. 



33 188 



31 155 



30 204 



36 III 



39 94 



40 8 

 40 36 



39 _8 



20) 804 



Growth per acre, per year, board feet, 40.1 



No deduction on account of decay as the stand consists of 

 vigorous trees only. 



Table VI. 



*Note : The growth of Douglas Fir is not quite as rapid as that of Wes- 

 tern Yellow Pine, probably because it occurs in cooler situations. The 

 result is therefore high, and only approximately correct. 



