Noies on certain parts of the State of Ohio. 231 
scale, on the breaking up of the ice, where it adheres to the 
s of the streams. That the valley of the Mississippi was 
deposited by water, and that it is one vast ceme etery of the 
ings of ages past, is proved by almost every rock found in 
this region. Primitive rocks are found in Indiana and Dli- 
nois, north of their hilly region, as in Ohio, south of Lake 
Ontario. They are also found in the state of New-York, int 
a country geologically similar in all important respects to 
Ohio, Indiana and Illinois. 
Art. V.—Notes on certain pe of the State of — sk 
Dr. S.P. Hitpreta, of Marietta, in answer to q 
by CALEB ATWATER, Esq 
(Continued from Vol. X. p. 331.) 
** NATURAL Baan of plants; whether noxious or useful, 
native or naturalized”’ 
In answer to this in inquir , I can do no better than to refer 
” wh, 
will find the most, if not all the plants of a 
that are to be found in this county. Among the flowering 
shrubs not mentioned by him, we have two species of kalmia, 
or laurel; one of them bearing a most beautiful flower. It 
is found on the north sides of hills, amidst rocks and preci- 
pices. The draconitum foetidum, or skunk cabbage, is also 
a native of this a It is said to be a valuable medicine 
in nervous dise 
‘¢ Climate, adil observations, births, deaths, 
marriages, oe maladies, diseases among men and ani- 
The climate in this county does not differ materially from 
that of the rest of the state bordering on the Ohio. Vegeta- 
tion is about a week earlier on the banks of the Ohio, than 
~ is at the distance of 20 miles from the river, either north 
outh, but more especially to the north. This difference 
is eidtatieend to the influence of the southerly winds, which 
low more regularly from that quarter immediately on the 
river, than. they do at any considerable distance from it. 
The year 1818 has been productive of as great extremes 
in heat and cold and other meteorological phenomena, as 
any other year since the first settlement of the state. On the 
