REMARKS ON PROF. WOOD's THEORY. 309 



And carrying forward this calcula- 

 tion, the total amount of the pro- 

 duce in 300 years would amount 

 to £47-2408 



In former times, when the value of oak-woods were Oaks formerly 

 «>stimated by the numhe; of hogs their acorns would fatten, l^eh^ acorns. 

 the great age of trees would be of small consideration ; but 

 in the present times, 1 atn persuaded, that, if gentlemen, 

 who have many trees standing of the age of 150 years and 

 upwards, Would give this subject its due consideration, 

 they will be aware of the immense loss, to which they are 

 \'oluntarily subjecting themselves — And this great loss is 

 much to be regretted, in a political point of view, especially 

 as the produce of this island is insufficient for its necessary 

 consumption. 



IX. 



Remarks on Professor Wood's neio Theory of the Diurnal^ 

 Motion of the Earth round its Axis. In a Letter from a 

 Correspondent. 



To Mr. NICHOLSON. 

 SIR, 



A. HAVE waited some time in hopes, that Prof. Wood's Professor 



hypothesis, intended to subvert the Newtonian theory of ^^^'^'^ ''yp^ 

 ' . , 111 -11 I /' . thesis not yet 



the tides, would be noticed by some one or other of the noticed. 



able mathematicians in our country. They can scarcely 



think the production of the American professor so absurd, 



as to merit no attention : and on the other hand, if its 



truth be evident, it surely does not deserve to be passed 



over in silence. Nothing however having yet been said 



about it in your Journal, I am tempted to ask, whether 



the prof, have not led himself into an errour by confound- Apparent 



ing together absolute motion and relative motion, and source otiiik 



reasoning on the effects of one from the quantity of the 



other. 



That 



