244 



W. A. W. DE BEUZEVILLE. 



the period when the height growth culminates. The mean 

 annual increment keeps below the current annual incre- 

 ment for 62 years. 

 2 



Mean 

 Annual 

 Incre- 

 ment. 



Current 

 Annual 

 Incre- 

 ment. 



20 



40 



Age in Years. 

 Fig. 4. 



As it is more convenient to know the height, and volume 

 for the various diameters, instead of the various ages of 

 the tree, Fig. 5 and Fig. 6 are plotted. 



120 



10 15 



Diameter in Inches. 



Fig. 5. 



