DETERMINATION OF INCREMENT OF TREES BY STEM ANALYSIS. 245 



80 



5 10 



Diameter in Inches. 



Fig. 6. 



Recap itu lation . 

 The stem of the tree had at the age of 66 years: — 

 A total volume of 86*5 cubic feet. 



Of this was Bark 86*5 -74*65 11*85 cubic feet equalling 

 13*7 per cent, of volume. Leaving 74*65 cubic, or 895*8 

 superficial feet of timber (marketable) in the stem of the 

 tree. Fuel etc. in top of tree excluded. 

 Total contents of tree, in bark: — 

 Timber in stem 86*5 cubic feet 

 Timber in top 12*92 „ 



Total 99*42 



or, 1193*04 superficial feet. 



