150 
Composition of forest—cont’d. 
on hardwood lands, 12-13. 
‘* spruce flats, 10-11. 
r ‘* slopes, 14-15. 
swamp lands, 8-9. 
Crops, see Future crops. 
Crown. 
Rate of growth, 48. 
Shape of, 16, 21, 35. 
Cull, Allowance for, 87-88, 91, 114. 
Cuts, Intervals between, in relation 
to yield, 75-76, 79-86, 95,107-108. 
Cutting. 
Effect of, on composition of 
forest, 31, 36, 39. 
Increased growth after, (with 
tables), 39—45- 
Limit of diameter in, 75-76, 79- 
86, 96-97, 103, 107-108, 112. 
Principles which should govern, 
110-113. 
Dead trees, Number of, per acre, 
(with table), 77-78. 
Diameter, see Dimensions. 
Diameter limit in cutting, see Limit 
of diameter in cutting. 
Dimensions. 
of ash, 29. 
of balsam, 27. 
of beech, 25. 
of birch, 24. 
of cedar, 29. 
of cherry, 30. 
of hemlock, 27. 
of maple, hard, 26. 
of maple, soft, 28. 
of pine, 28. 
of spruce, 16. 
‘« Average ; computation 
and tables, 60-74. 
ee 
INDEX 
Dimensions-—cont’d. 
of spruce, influenced by light, 20. 
Dimmick’s rule, 51-54. 
Distribution of species, Determin- 
- ing factors in, 22-23. 
Distribution of spruce, Determin- 
ing factors in, 17-18. 
Elm, Yield of, go. 
Examples of use of yield tables, 
82-86. 
Expenses of forest administration, 
117-120. 
Fagus americana, see Beech. 
Farnham, Henry, 2. 
Felling, Need of carein, 32, 113. 
Fires, 33, 101, 113. 
Forest management. 
Basis for, 34-41. 
Reasons for, 75-76, 102-104. 
Working plan of, 105-113. 
Forest, Virgin, see Virgin forest. 
Forestry in relation to lumbering, 
V-VI. 
Forestry division, U. S. Depart- 
ment of Agriculture, VII. 
Form, see Habit. 
Fraxinus niger, see Ash, Black. 
Future crops. 
Lumbering in relation to, 31-32, 
36-37. 
Necessity of providing for, 2, 105. 
Prediction of, 59, 75, 96. 
Young growth in relation to, 
35-37. 
Graves, Henry S., 2, 3, 89. 
Griffith, E. M., 2, 3. 
Growth, Rate of, see Rate of 
growth, a/so Increase of growth. 
Habit. 
of ash, 29. 
