390 'Proceedings of the Royal Irish Academy. 



highest in the Dingle range ; on the east coast ranges we have 

 Lugnaquilla in Co, "Wicklow, which reaches to 3039 feet; and the 

 Galtees in Co. Tipperary rise to 3015 feet. In the counties of Mayo? 

 "Waterford, and "Wexford, some mountains are over 2600 feet. North- 

 wards, the extensive Ben Bulben range in Sligo rises to 2100 feet; 

 Errigal, 2466 feet, and Muckish, 2197 feet in Co. Donegal; there 

 are extensive ranges in Antrim and Derry ; and Slieve Donard in 

 Co. Down rises to 2796 feet. 



CLnHATE. 



The moist, mild atmosphere of the south-west and south is now 

 accounted for by the broad area covered by the south-west winds over 

 the Atlantic Ocean (which di'ive the vapour-laden clouds which are 

 condensed by the Kerry Mountains), and also by the influence of the 

 Gulf Stream. 



The mean annual temperature is about 50° Fahrenheit. The rain- 

 fall is remarkable, as may be seen from the following table for ten 

 years. It will be observed that the increase from east to west is- 

 striking. 



