276 Caleb Atwater on the Winds of the West. 
quate to such projectile force as would carry a body from the 
moon’s surface beyond the sphere of her attraction, would vola- 
tilize the matter of meteoric stones in a moment; hence they 
would not be projected from the Lunarian crater in solid masses, 
but in elastic vapor. ; 
In conclusiou, although the theory which I have endeavored 
to elucidate and establish, be subject to some difficulties and ob- 
jections which science may hereafter remove, it appears to me 
perfectly consonant with the relative dependance and harmony ~ 
of our system, and by no means at variance with the infinite wis- 
dom and power by which it was originated. 
palin aes ete ne OE nj 
Art. XII. Observations upon the prevailing Currents of 
Air in the state of Ohio and the regions of the West, by 
Caves Arwarea, Esq. of Circleville, Ohio ; in letters 
addressed to His Excellency De Witt Clinton, LL. Dd. 
Governor of the state of New-York, and President of the 
- Biterary and Philosophical Society. — 
= We (Communicated for the American Journal of Science, &c.) 
Circleville, Ohio, July 23, 1818- 
Dear Sir, es One Oe 
Wirn pleasure, | acknowledge the receipt of the circular 
letter bearing date the 5th instant, which you addressed to me, 
for which you will be pleased to accept my warmest acknowledg- 
ments for yourself personally, and the Philosophical Society of 
which you are president. To answer all the questions which are | 
epic aevte that letter, is not at present within my limited mean® 
either as it respects the leisure or the ability. [shall therefore, at 
this time, confine myself to “ observations upon the prevailing cur 
rents of airin the state of Ohio.* These ghacevelticha will be whor 
ly founded on personal experience, during the four years iD which 
I have traversed this state, from Lake Eri me ‘ oriver, whilst 
LU tit Ree 
= We have taken the liberty to give Mr. Atwater’s Memoir a more extensive 
itle, for reasons that will be obvious on a perusal of the piece. 
