132- 



Meteorological Journal. 



circuit ; and quite to the east, while it swept the other half. Most, 

 if not all, of the elements of this generalization have been be- 

 fore obtained by such distinguished experimenters as Faraday, 

 Henry, Becquerel, Pixii, and others, yet I have not seen it stated 

 in a form so convenient to those who are already acquainted with 

 electro-magnetism, and are just commencing the converse subject 

 of magneto-electricity. 



Art. XI. — Abstract of a Meteorological Journal, for the year 

 1837, kept at Marietta, (Ohio,) in Lat. 39° 25' N. and 

 Lon. 4° 28' W. of Washiyigton City ; by S. P. Hildreth. 



Observations on the year 1837. — The mean temperature of the 

 past year has been a degree and a half greater than that of the 

 year 1836 ; which, although small in amount, has nevertheless 

 had a decided influence on the season. The heat has also been 

 more equally distributed through the year, and not subject to 

 any great vicissitudes. In winter the temperature has at no time 

 been at zero ; and in summer it has not risen above ninety de- 

 grees of Fahrenheit. 



The average heat for the different seasons of the year has been 

 as follows, viz. 



