TIMBEH 
9 
of the same species and the same size they vary some- 
times very much, and they vary also from year to year. 
As a rule they are wider apart in the earlier stages of the 
life of the tree, and gradually get closer until, when the 
tree attains a considerable age, they are very close. Occa- 
sionally one may count forty rings in an inch within 
6 inches of the centre of a pitch pine log, but from the 
author's note-book he has taken the following at random, 
[Photo by A. L. Ouhridge. 
Fig. 2. — Cross Section of 14-inch Pitcli Pine Log. 
showing the variations in widths of rings in the coniferous 
woods ; in the hardwoods they do not vary so much : — 
Pitch pine logs, all sound] 
and good, for 2 inches [-14, 18, 18, 15, 18, 18 rings. 
out from centre of heart j 
Do. do. next 2 inches 22, 30, 28, 24, 25, 20 rings. 
