PREFACE 



THE absence of any complete forest yield tables, based 

 upon measurements taken in Great Britain, has long 

 been felt. Hence I am prompted to publish the results 

 of my own investigations concerning the growth of 

 timber in this country, and the financial returns to be 

 obtained therefrom. 



In this connection I must acknowledge a reference 

 to an article l by the late Professor Fisher on the growth 

 of the young trees (now 19 years old) in the experi- 

 mental plantation at Cooper's Hill, but with this excep- 

 tion I have derived no assistance whatever from the 

 few measurements of individual crops which have been 

 published by others. 



I anticipate that many critics will assert that there 



Vide Quarterly Journal of Forestry, July 1909. 



is not sufficient evidence obtainable in this country 

 upon which to base any complete yield tables. But 

 with this view I cannot agree, except in regard to some 

 of the recently introduced conifers from the Pacific 

 coast, in which case I have put forward my tables 

 provisionally, having also availed myself of data which 

 I have collected in their native habitat, a region which I 

 have on two occasions visited. 



Now, were it possible to compile yield tables only 

 by such means as are indicated by tnose who rely solely 

 upon the methods adopted by German scientists, I 

 must admit that there would not be sufficient evidence 

 in this country. But my investigations into the growth 

 of timber in this country have revealed a method, the 

 existence of which, so far as I know, has not hitherto 

 been realised, and have disclosed the fact that, caeteris 



VII 



