6 Mr. Weaver on the Geological Relations of the South of Ireland. 



Proceeding more to the north, the following heights have been determined 

 by the Trigonometrical Survey of Ireland : 



Above level of sea. 



In the Waterford mountains, Monavoullagh (highest point) 2590 feet. 



In the Knockanafrun, part of the same range 2469 



In the Gaultees range, Gaultymore 3000 



In the Tipperary mountains, the Keeper 2265 



. the Devil's Bit 1572 



In the Limestone Plain of Limerick, Knock Dirk 477 



' Knockfeernagh 937 



In the hills of Clare, Craig 1715 



Knockaness 1 305 



Calian 1297 



And in the East of the Island, Mount Leinster in the county of Carlow. . 2604 



Geological Relations, and Distribution of the Subject. 

 (6.) In the general relations of the transition tract of the South of Ireland 

 great analogy is found to subsist. To prevent repetition, I propose to take a 

 few examples as types, selecting them in the eastern and western extremities 

 of the tract, in which the greater diversity is observable ; namely, in the 

 county of Kerry, the adjacent portions of Cork, and the south coast of the 

 county of Waterford, adding incidentally such further observations as may 

 conduce to the fuller understanding of the whole of the transition field, and 

 which may more particularly appear when I proceed to speak of its metallifer- 

 ous relations. The carboniferous series of Munster, extending from the old 

 red sandstone upward to the coal formation inclusive, may be conveniently 

 considered under two heads : 1. The South Munster, embracing portions of 

 the counties of Cork, Limerick, and Kerry ; and 2. The North Munster, ap- 

 pearing in the county of Clare, and extending thence in part into the county 

 of Galway. But though separated at the surface by the Shannon, these two 

 fields are assuredly connected with each other benea<h that liver. 



I. Transition Series. 

 In Kerry, Cork, and Waterford. 

 (7.) The county of Kerry comprises rocks of great variety of character, 

 which, though relatively of unequal continuity and distribution, are yet so 

 perfectly inosculated as to constitute a persistent series. Their general range 

 is E. and W., subject to inflections from that line. The dip is interchange- 

 ably N. or S., the angle of inclination fluctuating from the vertical to the 

 horizontal nearly. From this arrangement arises a succession of ridges and 



