JOURNAL 



OF 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



THE ARTS, 



MAY, 1810. 



ARTICLE I. 

 Jltmarks upon Meteorology. By J. Bostock, M. D f 



.Si 



(Concluded from Vol. XXV, p. 2QS.J 



To Mr, NICHOLSON. 

 SIR, 



JL Now resume my remarks upon the weather in Septem^ Weather in 

 ber last, in doing which I shall have occasion to bring- for- September last, 

 wards some of my peculiar ideas on the subject of meteoro- 

 logy. I shall, however, as much as possible avoid entering 

 into any hypothetical discussions, my present object being 

 merely to illustrate my method of making observations. 



The beautiful evening of the 1st was succeeded, as I ex- 

 pected from its transparency, by a cloudy morning and fall- 

 ing barometer ; rain came on about noon, and continued 

 for two hours, and in the night there was a considerable 

 squall of wind and rain. In the afternoon I have noticed a 

 particular formation of the clouds, which I call an arc; it Form f c i OU( j 

 consists of a body of clouds, stretching in nearly parallel called an arc, 

 lines over a considerable part of the heavens, and converging 



Vol. XXVI. No. 116 — May, 1810. C ° i n 



