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LX. Meteorological Observations taken at Bermuda, in 

 July, August, and September, 1836; and on Sept. c 2\st, 1836, 

 in accordance with the suggestions of Sir John Herschel*. 



Place of observation sixty feet above the level of the sea. 

 July. Barometer. 



Mean height for the month, 

 taken by collecting those of the 

 8 A.M. and 9 A.M., with those 

 of the 3 and 4 P.M. = 30-1615. 

 Corrected by capillary action, ca- 

 pacity, and reduced from 77i° 

 to zero. 



Greatest, 30-376 inch. Lowest height 29*620 inch. Os- 

 cillation, '756. 



Mem. On the 25th the barometer was at 30-376, whence 

 to 31st it gradually fell ; at 1 £ A.M. of this day it descended 

 to 29-620. On the 30th and 31st a very heavy storm with 

 rain. 



Mean temperature of the month, 75-79°. Greatest heat, 

 80°; least 67°. Mean temperature of 30th and 31st, 79°. 

 Maximum taken from the shade, free from current and re- 

 flection ; minimum from a register thermometer out of door. 



Mean dew point, 74°. 



Windy from the western side of the compass twenty-four 

 days, of which fifteen were S. W. — Wind from the 30th S.E., 

 changing from the 31st to W.S.W. 



Greatest heat from 3 to 4 p. m. — Blackened bulb exposed 

 to the sun, mean of six clear days, taken at the greatest heat, 

 96°. 



Bulb lightly covered with calcareous soil, 138°. 



Rain in seven days. Lightning eight days, mostly distant 

 and in the east. Thunder less frequent. 



* Communicated by Dr. Dalton, by whom they have been arranged 

 from the original observations of Lieut.-Col. Emmett, R.E. We have since 

 received observations for the entire year from July 1, 1836, to June 30, 

 1837, from Lieut.-Col. Emmett, which we shall insert in our next ; but we 

 retain the present article on account of its having been prepared by Dr. 

 Dalton. 



Third Series. Vol. 11. No. 69. Nov. 1837. 



3M 



