12 



Forestry Quarterly 



above standards. But if tamarack in its native sites grows to be 

 35 to 75 feet tall at 100 years, varying in this with the quality of 

 the soil, drainage, and if Jack pine fits into this same group, it is 

 hard to see why in such classification of mere dimension we might 

 not have some simplicity and uniformity and use the same foot 

 rule in gauging any particular tract of land, whether swamp with 

 tamarack or poor sand stocked with Jack pine. 



However, all this is for the futiu-e and the important thing is to 

 get a measure which the forester can use when he is asked to 

 survey a tract of timber land. 



ADDENDA 

 By H. a. Parker^ 



The above data have even a greater content for the purpose in 

 hand than that utilized by Professor Roth. It is the purpose of 

 this addition to bring out more fully the close relationship of 

 height and volume, and especially the interesting volume-height 

 relation of one genus, the pines, so widely distributed as the 

 Scotch pine, the White pine, the Loblolly and Shortleaf pines, as 

 appears from the following tabulation : 



PINES 



> Student, Faculty of Forestry, University of Toronto. 



