206 



NINTH ANNUAL REPORT OF 



The following curves of temperature and pressure of the atmosphere 

 lor 7, A. M., and 9, p. m., from the 7th to the ICth of November inclu- 

 sive, are intended to illustrate the connexion between the moisture, 

 temperature, and pressure, during a storm : 



No. 1 — Chirve of tempcrahire and pressure for Tuscaloosa, Mahama. Latitude 33° 12' JV. ; Lon- 

 gitude 81° 12' W. 



30° 

 85° 

 40° 

 |450 

 50° 

 ^55° 



Wind. SE. KE. E. NE. SE. SB. B. E. NW. NW. NW. 



SW. NW. N. KW. 



No. 2 — Cxirve of temperature and pressure for Mew IVeid, Texas. Latitude 29° 42' A". ; Longi- 

 tude 97° 0' W. 



12 



13 



14 



15 



W'd. NW. N. NW. SE. N. S. N. N. K. N. N. 



W. IV. W. E. K. K. 



No. 3 — Curve of temperature and pressure for jyiihvauJcie, Wisconsin. Latitude 43° 3* J^. ; 



Longitude 87° 57' W. 



