204 ON THE GALES OF 



saite, and of the Pyroxene analogique, might lead 

 to their separation from the Pyroxene and union 

 with the Jeffersonite. This is a subject which ap- 

 pears to me fraught with interest, but upon which I 

 am not able to offer any thing but conjectures, as my 

 specimens of these minerals are not as good as would 

 be necessary to enable me to decide this point. 1 

 shall merely close these remarks by observing that 

 a similar opinion is, I believe, entertained by Mr. 

 Vanuxem. 



On the Gales experienced in the Atlantic States of 

 North America. By Robert Hare, M. D. Read 

 May 14th, 1823. 



Of the gales experienced in the Atlantic States of 

 North America, those from the north-east and north- 

 west are by far the most influential : the one remark- 

 able for its dryness; the other for its humidity. Du- 

 ring a north-western gale, the sky, unless at its com- 

 mencement, is always peculiarly clear, and not only 

 water, but ice evaporates rapidly. A north-east 

 wind, when it approaches at all to the nature of a 

 durable gale, is always accompanied by clouds, and 

 usually by rain or snow. The object of the follow- 

 ing essay, is to account for this striking diversity of 

 character. 



When to the lower strata of a non- elastic fluid, 

 heat is unequally applied, the consequent difference 



