ON THE METEOROLOGY OF IRELAND. 869 



in the north-.west on the 13th, and in the north-east on the fol- 

 lowing day. 



July 13, 9 A. M. Storm from S. S. W., in the north-west of the 

 island. Velocity = 60 feet per second. 



July 13, 9 p. M. Gale veered to S. W., and affected a large 

 portion of the island. Velocity of wind = 60 feet per second, as 

 before. Absolute barometric minimum = 29-052. 



July 14, 9 A. M. Wind veered to W. Velocity in north-west 

 increased to 65 feet per second. 



Dec. 7. Storm began in south-western extremity of the island, 

 and extended thence over the whole. Direction of wind between 

 S. and S. W. 



Dec. 7, 9 A. M. Gale from S. S. W. in the south-west. 



Dec. 7, 9 p. M. Storm over the whole island. Greatest velocity 

 and least pressure in north-west. Velocity = 70 feet per second. 

 Absolute barometric minimum = 29*267. At Cahirciveen the baro- 

 meter fell until 7 p. M. ; and the wind shifted from S. to W. at the 

 same time. 



Dec. 9. Storm from S. W. along the western coast. Least 

 pressure in north-west throughout. 



Dec. 9, 9 A. M. Velocity of wind in west = 50 feet per se- 

 cond. 



Dec. 9, 9 P. M. Velocity = 60 feet per second. Absolute baro- 

 metric minimum = 29-632. 



Dec. 20. Gale blowing from S. S. "W., beginning on western 

 coast, and advancing to eastern. Least pressure in north and 

 north- west. 



Dec. 20, 9 A. M. Gale on west coast. Velocity = 55 feet per 

 second. 



Dec. 20, 9 P.M. Gale transferred to east-coast. Velocity = 50 

 feet per second. Absolute barometric minimum (north) = 29--l~>7. 

 At Markree there was a sudden shift of the wind from S. S. W. 

 to N. W. at 7 h 35 m p. M. 



From the foregoing facts we may draw the following general 

 conclusions : 



1. The greater gales are much more frequent on the western, 



