74. TRANSACTIONS OF ROYAL SCOTTISH ARBORICULTURAL SOCIETY. 
The statistics of the Prussian forests published in 1906 show 
that they are constituted as follows :— 
State Forests, 
Communal Forests, 
Private Forests, 
HECTARES (= 
Broad-leaved Trees, 
Coniferous Trees, 
Copses and Coppices, 
Woods treated by ‘‘ Selection,” 
Highwoods (including blanks sand 
clearances), 
2°47 acres). 
2,630,890! 
1,438,047 
4,201,197 
2,554,636 
5,715,498 
869,489 
955,061 
6,445,584 
8,270,134 
| 270.134 
8,270,134 
1 The official statistics for 1904 give a total area of 2,847,930 hectares, 
of which 2,554,259 are wooded and 293,671 not wooded. 
How far the gradual endeavours to establish a normal series 
of age-classes has hitherto been successful may be judged of 
from the following summary :— 
Over 100 
Years. 
Broad-leaved 
Flighwoods 1— 
State Forests, 124,217 
Communal ,, 55,934 
Private ss 50,274 | 
Conifer 
Highwoods 1— 
State Forests, . | 261,455 
Communal ,, 13,611 
Private PP 60,716 
81-100. 
218,210 
35,621 
121,950 
61-80. 
103,481 
88,946 
64,745 
271,828 
66,517 
255,312 
41-60. 21-40. 
100,946 | 83,234 
83,223 | 69,844 | 
79,720 | 91,073 
387,613 | 381,256 
129,690 | 178,383 
488,858 | 672,153 
1 In hectares (=2°47 acres). 
Up to 20. |Blanks 
701,407 
78, 106 
54,291 
77:597 
387,215 
175,342 
19,177 
Clear- 
"| ances. 
38,145 
10, 181/15,471 
54,483 
62,642 
In both of the above classes of highwoods the tendency of 
private owners to work with a lower rotation than the State 
seems clearly traceable—and very naturally so, as that means 
locking up less capital in the growing-stock of timber, also 
