Meteofwogf. 379 



ft could foe chrfeled out when the {hip came into pdTt. The 

 author ftates, that the fame means have been tried at other 

 times, but not with the lame fu-cefs, and furmifes that heat 

 is neceflary. 



On the 2 2d was read a paper on the production of cold, 

 by means of muriat of lime, by Mr. Walker. 



The firft conful of France tranfmitted to the Society 

 '• Voyage antour du Monde, par C. E. Marchand," 4 torn, 

 moil handfomcly bound. The thanks of the Society were 

 ordered to be returned to the firft conful of France for this- 

 prefent. 



METEOROLOGY. 



The following particulars refpecling the ftorm on the 9th 

 of November, furnifhed by an intelligent correfpondent, can- 

 not but prove jnterefting to feme of our readers : 



The preceding night had been ftormy, with torrents of rain. 

 At 9 A. M. wind abated and rain over. Thermometer 55 * 

 Barometer, defcending ,', T inch per hour, gave evident intima- 

 tion of the event. About noon it had arrived at its loweft point, 

 Inning dropped from 29,9 to 28,5 fince the morning of the 

 lixth. At this time it was cloudy and nearly calm, when the 

 wind veered to the northward, and in a lew minutes blew from 

 north-weft with aftonifhing violence for about an hour. The 

 quickfilver, which had fcarcely become ftationary, as fud- 

 denly changed its direction, and continued to rife at the rate 

 of -,\. fer hour the whole afternoon. It became ftationary 

 at 29,7, with a hoar-froft in the morning. The index-hand 

 of an excellent wheel barometer, fixed againft a folid wall, 

 was obferved to librate continually during this rapid afeent, 

 retreating about T {, and then advancing a little more. In 

 the fpace of about fix hours, on this occafion, the atmofphere 

 parted through near one-half of its total variation of gravity, 

 which would require, in its ordinary couffe in this country, 

 about as many days. 



'! his impetuous irruption of den^e air from the northern 

 ris was probably occafioned by the hidden rarefaction, 

 rnent upon a general precipitation of that water which 



durinjr 



