,, 1850 4 0.5 2.25 3 5.5 1.5 4 2 1 3 2.75 1.75 3 4.25 2
,, 1852 4 2.75 2.25 3 7.5 2 4 4 2 3 4.75 2 3 6.5 2.25
,, 1854 4 5.75 3 3 10 2.5 4 7 3 3 8.75 4 3 10.5 4

SECOND PART.

F Turkey Oak. G Chesnut. H Chesnut. I Chesnut.
Inc Inc Inc Inc
ft.in. in. ft.in. in. ft.in. in. ft.in. in.
Oct 1836 1 7.25 - 1 11.5 - 2 2 - 2 0.25 -
,, 1838 1 10.25 3 2 3 3.5 2 5.5 3.5 2 5 4.75
,, 1840 2 1.25 3 2 5.75 2.75 2 8.75 3.25 2 10 5
,, 1842 2 4.5 3.25 2 9.5 3.75 3 0 3.25 3 3.5 5.5
,, 1844 2 8 3.5 3 1 3.5 3 2 2 3 9 5.5
,, 1846 2 11 3 3 4 3 3 5.5 3.5 4 2.75 5.75
,, 1848 3 2.25 3.25 3 7.5 3 3 8.5 3 4 7.75 5
,, 1850 3 4.25 2 3 10 2.5 3 9.75 1.25 4 11 3.25
,, 1852 3 6.75 2.25 4 1 3 3 11.5 1.75 5 3.5 4.5
,, 1854 3 10 3.25 4 5 4 4 3.5 4 5 8.25 4.75

_The following letter of Mr. Vaughan_, _of Court Field on the Wye_, _near
Lydbrook, merits insertion_, _as bearing testimony to the value of the
preceding Tables compiled by Mr. Machen_, _exhibiting the growth of Trees
in the Forest_.

"Court Field, October 15, 1841.

"MY DEAR SIR,

"I thank you very much for the interesting account you have sent me
of the result of your observation during a series of y