CONTINENTAL NOTES — FRANCE. 



57 



38 inches instead of 36 — but this will not affect the comparative 

 table which I append below. It will be seen that some stems 

 have disappeared, and that there have been practically 6 years 

 of growth. 



In April-May 1914 there were : — 



Girth Cub. ft. 



On 1st October 1919 there were : — 

 Cub. ft. 



Grand Total, 4402 



Grand Total, 518: 



* Note. — Factor corresponding to the number of cub. feet in an average 

 stem of the girth class. 



The trees on the area have therefore increased by 780 cub. feet 

 in 6 years, or 260 cub. feet per acre, or 43*3 cub. feet per acre 

 per annum. Possibly these figures may be small (reasons why 

 they should be have already been given), but the point is that 

 almost any figures of the kind will surprise us when we actually 

 sit down and work them out, and it is very useful to do this, 

 for hardly anyone appreciates the amount of material that is 

 steadily, year by year, being added to our woods — those woods 



