On the Climate Diseases, Geology, Se. of Ohio. 225 
in this paper, to say something concerning our 
climate, hapitig that ae remarks may elicit more valuable 
communications from some abler 
it will be vadelbane % those who read your Journal, that 
in my paper on the “ Winds of the West,” in vol. 1. p. 276, 
I ventured to predict, that as the country became more cul- 
tivated, our diseases would be fewer in number and more 
acute, and I regret to state that wes! prediction has been ful- 
every year, in those parts of the state with which I am per- 
sonally acquainted. These complaints were unknown here, 
until within the-last ten-years. Liver — are, how- 
ever, so common here, that almost every indivi is more 
s I have travelled over a considerable territory, in the 
Sacnclins of the law, I have noticed a fact, which I do not 
recollect to have seen mentioned by any author.—Every gum- 
mer and autumn, particular tracts of country, sometimes large 
and sometimes small, begin, just eee sunset, to emit, from the 
surface of the , amist, which: 
comes quite dense, , and is not ‘dispelled until the heat of the 
sun chases it away ‘on the ensuing Karey Its — is ex- 
tremely nauseous, and it produces, after 
and fevers. — mist rises from iutial soil, ‘atom our 
Streams, and in our prairies, and the warmer the day, and 
the shorter thé | grass, and the less the vegetation, so muc 
the worse. So sure an index of ill health is this mist, that 
I am able, from its presence or absence, during the months 
of August, September and October, in any region which I 
* «* * the } Ith 
of the —— whether good or b s the country 
becomes more and more eect ai ‘alate, if ‘these 
miasmata ‘should wert more and more, the y of the 
and by taking: pe- 
sass bark, and at ashes — vinegar, thie enemy" to life 
and health, may be bafiled. 
VOL. XI,—No. 2. 9 
