458 



The Rev. H. Lloyd on the Meteorology of Ireland. 



July 27, 9 p. M. — Centre south of Westport. Absolute minimum of pressure 

 (= 29"559) at Markree; increase of pressure = 010 inch. Velocity of wind 

 uniform. 



July 28, 9 A.M. — General current from S.W. ; mean velocity = 30 feet 

 per second. 



August 23, 24. — Well-defined cyclone advancing in a curvilinear path, the 

 movement of the centre being at first from N. W. to S. E., and afterwards from 

 S.W. toN.E.* 



Aug. 23, 9 p. M. — Centre of the vortex north-west of the island. Least 

 pressure at Buncrana. Mean velocity of wind = 25 feet per second. Lightning 

 along the whole of the eastern coast during the day. 



Aug. 24, 9 A.M. — Centre near Armagh. Absolute minimum of pres- 

 sure = 29-439) at Armagh; increase of pressure = 0-13 inch. Mean velo- 

 city of wind - 35 per second; greatest do. (south) = 55 feet. The centre 

 of the vortex appears to have passed over Donaghadee about noon. At 

 9 A. M. the direction of the wind there was E. S. E. ; at 12 (noon) W. S. W.; 

 and atl*- SO""- p.m. W. N.W., the shift being accompanied by strong gales and 

 heavy rain. 



AuT. 24, 9 P. M. — Centre north-east of the island. Least pressure at Do- 

 naghadee. Mean velocity of wind = 25 feet per second. 



September 29, 30. — Interesting cyclone and storm, crossing the island 

 from S. S. W. to N. N. E., with a velocity of about 270 miles per diem. 



* The following extra observations were taken at Donaghadee on this day (August 24). Re- 

 duction of barometer to sea-level = + 0-077. The force of the wind is e.\pressed in inches of 

 Lind: — 



