﻿PROCESS-BLOCKS AND OTHER ILLTJ8TEATIVE FIGURES. XlX 



Fig. Page 



4. Diagrammatic section' illustrating the relationship of the 



Lavernock White Lias to the Upper Rbastic, etc. of Glouces- 

 tershire 412 



5. Diagrammatic section illustrating the relationship of the W hite 



Lias to the Upper Eheetic in the Cardiff District 415 



1. Geological map of the country around Berrow 425 



2. Section from north to south, traversing Berrow Hill and 



Gad bury Bank '. 426 



3. Section from west-north-west to east-south-east, traversing 



Gadbury Bank and Berth Hill 426 



1. Contemporaneous erosion of the Lias, East Cliff, Whitby 450 



2. Section in the eastern quarry, Boulby alum -works 452 



1. Section at the South Lodge, Taplow Court 466 



2. Diagram of the river-scarp at Taplow 491 



1. Vertical section illustrating the succession of the marine 



horizons in the Coal-Measures of North Staffordshire 499 



Exposure of Coal-Measures at Weston Sprink, near Longton . 508 



3. Vertical sections illustrating the correlation of the Coal- 

 Measures in Yorkshire, Lancashire, and the Midland 

 Counties 518 



1. Geological map of the Weston-Worle ridge 550 



2. Section across the eastern end of Worle Hill 554 



3. Quarry at the eastern end of Worle Hill, in which the over- 



folded Seminula-Beds are seen 555 



1. Diagram illustrating the difference in composition between 



the rocks of Penmaenmawr and Penberry Hill 590 



2. Diagram illustrating the comparison between the Abercastle 



rock and the lime-bostonite of Mama 598 



3. Diagram [map] showing the relation of the Abercastle intru- 



sions to those of the South-East of Ireland 604 



1. Section across the northern shoulder and eastern slopes of 



Arenig Fawr 610 



2. Section across the western flanks to the summit of Arenig Fawr. 611 



1, Section illustrating the possible relationship between the iron- 



ore beds of Mount Tena and Mount Gaima 652 



2, Section illustrating the disposition of the rocks near Mount 



Nieri, on the left bank of the Nile 652 



3, Section parallel to that shown in the preceding figure, but 



farther north, at Mudi 653 



