INTRODUCTION 5 
and that, with extending civilization and increased 
demands for timber, the consumption is yearly becom- 
ing greater. As this demand increases, so the supply 
becomes less and consequently, year by year, prices, 
taken all round, show an advance. Speaking gen- 
erally there is practically little conservation taking 
place on a commensurate scale, and the prospects are 
clear as to the future—namely, an ever-growing demand, 
lessened supplies, and ever-advancing rates. 
