354 FOREST PLANTATIONS* [April. 



Confequently the coft of an acre fo 

 planted, by the time that it is 30 

 years of age, will be - L. 42 o 2 



But allowing the trees to have been 

 thinned out to nine feet apart by 

 their 3oth year, then will a Scots 

 acre contain 670 * trees; and allow- 

 ing thefe, at an eafy valuation, to 

 be worth 55. each, then will an acre 

 fo filled be worth the fum of - 167 10 e 



'Which leaves a clear profit of no lefs 



a fum than - - L. 125 9 10 



By the fame rate of calculation, an 

 JSnglish acre will coft for trees and 

 planting - - L. 2 15 o 



Coft of fencing, as above 015 o 



This fum improved, at 5 per cent. 

 compound intereft, for 30 years, 

 will amount to 15 2 7 



I^ent of an acre eftimated at 45., which, 

 for 30 years, at 5 per cent, as above, 

 will be - - - J 3 5 9 



Aggregate expenfe by 30 years L. 31 18 4 



* See Table in Appendix, No. IV. showing die number 

 of trees which may be planted. on a Scots and on an English 

 acre, at certain distances. 



