1854.] A Twenty-second Memoir on the Law of Storms. 27 



I conclude that Noacolly # may be considered the edge of the storm 

 in this direction." 



I conclude the shore observations with the following which are 

 my notes as taken at Calcutta, from which the station of Chittagong 

 it will be recollected, bears S. 87° E. distance 210 miles. 

 Observations at Calcutta. 



May 12th, 1849. — Barometer has been gradually falling; with 

 Easterly and N. Easterly breezes for the last two or three days. In 

 the morning dark nimbus and strato-nimbus to the East breaking 

 and flying low and in detached portions across a blue sky with 

 strata above. In the day, heavy white and bluish-gray cumuli with 

 a dense white haze and strata above ; very little blue sky. At night 

 stars very bright and seen at very low altitudes. 



On this day (12th) blowing fresh at Noon in squalls from jST, E. 

 with a very little drizzling rain. 



\ past 6 p. m Bar. 29.60; Simp. 29.64; Ther. 84i°. 



Light breeze N. N. E. Erom the North to East, and round nearly 

 to South, a dark heavy bank of strato-nimbus. To the Westward 

 dark cumulo-strata below, and a blue sky with white strata above. 

 At 8 p. m. calm. Bar. 29.59 ; Simp. 29.56 ; Ther. 84°. 



May 13th.— 6h. 15 A. m. Bar. 29.60; Simp. 29.65; Ther. 82|°. 

 Calm. Thick bank to $. and S. East, clear to the East, dark strata 

 and cirro-strata scattered about. 



lOh. 30 a. m. Bar. 29.59; Simp. 29.68; Ther. 84°. Calm. Light 

 gauzy haze, and white loose cumuli. At 11| a. m. Bar. 29.62 ; 

 Simp. 29.66 ; Ther. 84°. Calm. A broad white bank to the S. E. 

 with numerous little strato-cumuli, gauzy fleecy haze and cumuli 

 above. Light airs from the Westward. At £ past Noon Bar. 

 29.60 ; Simp. 29.65 ; Ther. 84°. At 61 p. m. Bar. 29.57 ; Simp. 

 29.62 ; Ther. 85i°. 



May 14ith. — Calm, oppressive night; Bar. 2955; Simp. 29.66 ; 

 Ther. 85i°. Light stationary white cumuli. To the S. East, light 

 white and grey strata and hazy. 



The following are the Barometer observations at the Surveyor 

 General's Office for these days. Corrected, it will be observed, to 32° 

 Eaht. whereas all the others are without correction for Temperature, 

 * Noacolly, 5£ miles to the N. East of the Collector's house. 



E 2 



