Meteorological Journal of Marietta, Ohio. 255 
In the aurora borealis. The night following was calm and clear. 
€ mercury in the barometer, in the forenoon, was 29°10, and 
kept rising during the violence of the tempest, being at 29°15 at 
5 P.M. and at 29:23 at 9 o'clock. At Wheeling, Va., 80 miles 
Southeast of Marietta, there was only an ordinary gale, its force 
being spent before reaching there. No similar tornado has visited 
the valley of the Obio since Sunday, the 28th day of May, 1809. 
This struck Marietta about 4 o'clock P. a. with more violence than 
in 1860. There was little or no rain or thunder; several houses — 
were unroofed and some blown down, with immense destruction. 
of forest trees. It was greater in breadth and probabl as eX- 
tensive as that of this year. I was living in the town at that time 
and witnessed its ravages. Brown’s Cincinnati Almanac for the 
year 1810 contains the only printed account of it that I have 
Seen; but probably the newspapers of that period noticed it, as 
there were then nine or ten published in Ohio. 
: mer.—T he mean of the summer months was 71°31, which 
8a full average for this season of the year. Heat and moisture 
Were distributed by a beneficent Providence in due season and 
“2 quantities fully adequate to the wants of vegetation, produc- 
mg one of the most abundant harvests in all the various varie- 
ties of cereal productions common to this climate. In some of 
the southern counties whole fields of wheat were destroyed by 
that pernicious insect, Tinea granella, after it had attained its 
full growth. This miller is a different insect from the Hessian 
em 
= 
Was very injurious, its larvze devouring the grain in whole fiel 
leaving none for the farmer. Happily its ravages were limited. 
' the pastures were green until late in the autumn. In some 
fields the potatoes valieied from the disease called ‘the rot,’ but 
senerally the crop was abundant and good. — 
Autumn.—The mean of the autumnal months was 54°85, & 
temperature adequate to the wants of the season. Indian corn, 
,, main crop of the valley of the Ohio, and of more 1m rt- 
ance to the farmer than that of any other grain, was very a0 4 
‘nt in quantity and excellent in quality. It ripened early, Thi 
"as teady to be cut up by the twentieth of September. — se 
et 
of 
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: 
; 
Da , from the supply of rains at the right time, the crops on the 
bi sod plaid wees nearly as’ good as in the rich bottom lands 
tape’ Zivers, while on the latter, the heavy deposits of vege 
~ © ™ould left by the overflow in April added unusual fer- 
