254 



THE ENTOMOLOGIST. 



there are several of the British species, reported common, 

 which in twenty years' diligent collecting I have never yet 

 seen at large. 



The Mangerton or southern range of mountains is, like the 

 Reeks, indented by numerous and deep glens : in some cases 

 valleys of 2000 feet or more in depth have been excavated, 

 and in Glen Cappagh and the Horses Glen, about five miles 

 south-east of Killarney, this denudation has disclosed an 

 extraordinary scene of ancient igneous action ; beds of trap- 

 rock are exposed to view, the work of a submarine volcano 

 which was finally choked and covered up in the deposits of 

 the old red sandstone sea. 



In the midst of this ancient field of lava is the detached 

 hill of Beanannmore, a mass of columnar basalt, which appears 



Basaltic hill of Beauauuraore, 



to occupy the centre of eruption : it probably, as molten 

 lava, filled the crater of the old volcano, and now stands in 

 solitary grandeur, a cyclopean casting, of which the mould has 



