888 



Eighteenth Memoir on the Law of Storms. 



[Sept. 



1 



a. m. the hardest 

 squalls of the gale ; p. 

 m. lightning to the South- 

 ward and Eastward. 



Throughout at an- 

 chor in the South 

 Channel. 



Bar. 8 a. m. 29.61 

 and 7h. 81°; noon 29. 

 72 and Ther. 84 ; p. M. 

 29.65 ; Ther. 83 ; 8 p. 

 m. 29.73 ; Ther. 82; 

 midnight 29.70 : Ther. 

 81. 



8 a. m. Bar. 29.85 

 and 29.64 ; Ther. 82 ; 

 noon 29.90 and 29.61, 

 Ther. 82° ; 4 p. m. 29, 

 95 and 29.65. 



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