34 A Twenty-second Memoir on the Law of Storms. [No. 1. 



letter of which Mr. Grote, C. S. the Secretary has obliged me with 

 a copy, that on the 14th June a hurricane at South had been blowing 

 for eight hours consecutively, but the report is not continued on the 

 following days, or rather the documents have disappeared." 



We are thus confined to the reports from Chittagong itself with 

 regard to this singular Cyclone of 1849, and it will be I think con- 

 venient to divide our remarks under the following different heads. 



1. Extent of the Cyclone. 



2. Its track and rate of travelling. 



3. Barometrical observations. 



4. Other phenomena before, and during its continuance. 



1. — Extent of the Cyclone. 

 It seems to have been pretty well ascertained at Chittagong that 

 the diameter of the more violent and decided part of this Cyclone 

 was not much above fifty miles in diameter, Sathaneah, thirty miles 

 to the South of the station is given as the limit of where it was 

 "felt" in that direction, and the same writer (see newspaper extract) 

 states that he " heard from the Magistrate that every Police station 

 as far North as the Fenny Eiver* has been destroyed." The Police 

 stations are generally stout, well-built bungalows, but not of brick 

 but which take a heavy gale to destroy them, being moreover, usually? 

 in sheltered situations. The Penny Eiver mouth is thirty-five miles 

 N. N. W. from the station of Chittagong, and at Bulloah, sixty- 

 eight miles to the IN". W. b. W. we have European testimony that 

 it was "not more than moderate" so that we may suppose, fairly, 

 that the limit of the really violent part of the meteor did not 

 exceed sixty miles, of which size I shall assume it to have been. 



2. — The Track and rate of travelling of the Cyclone. 

 It is difficult to assign a track to this Cyclone as we usually do, 

 for Captain Elson's account ; and he is an old Sailor and most likely 

 to be correct in his estimates of the direction of the wind would 

 almost lead us to believe that the Cyclone descended upon or was 

 formed at Chittagong, where it spent its fury, but the native report 

 mentioned by Mr. Buckland (Eeplies to query No. 5) of an interval 

 of calm, is I think entitled to full credit, because it was a circumstance 

 * The boundary of the district of Chittagong to the North. 



