PROCESS-BLOCKS AND OTHER ILLUSTRATIVE FigCTRES. XIX 



Fig. Pagb^ 



1. Section along the line AB on the map (PI. XXX7.) 350 



2. Sketch of a crag at the western end of Mynjdd-y-Gader 351 



3. Diagram illustrating the relations of the Mjnydd-y-Gader 



dolerite to the Rh volitic and Ashy Series 352 



4. Diagram illustrating the structure of Mynydd-y-Gader ... 354-55 



1. Geological map of the Pedwardine iulier 36(> 



2. Section across the Pedwardine inlier 368 



1. Quartz-keratophyres I'rom the Rhindaston and Gignog Group 386 



2. Dyke-rocks from the pre-Canibrian and Cambrian [Pembroke- 



"shire] 389 



3. Index-map of North- West Pembrokeshire, showing the areas 



occupied by pre-Cambrian rocks 399 



1. Geological map of the Black-Combe District 404 



2. The drift-plain seen from Silecroft Beach 415 



3. Section of Boulder Clay near Fell Green, Bootle 417 



4. Sectii)n in Boulder Clay near Wood House. Whitbeck 419 



5. Moraine near High Cm-ney, Corney Fell 422 



6. Profile section of the parallel sequence of marginal channels 



in the granite north of Bootle 427 



7. Profile section of the parallel sequence of marginal channels 



in the volcanic locks near Bootle 429 



8. The Damkirk Channel, Damkirk Bottom 430 



9. The Nettle-Crags Channel, looking northwards 431 



10. Bramire-Wood Channel, looking eastwards 432 



11. Tarn Dimples, looking northwards 433 



12. The Monk-Foss in-and-out Channel 434 



13. Profile section of the Tarn-Dimples and Monk-Foss Channels, 



and the oversteepened slope of Black Combe 435 



14. Plan of the dry drainage-channels on Millom Park .. 436 



15. The Knott-Gill marginal channel, looking north-north-east- 



wards 438 



16. Contour- map of the lower part of the Whicham Yalley, illus- 



trating the Glacial Lake 442 



17. The mouth of the Whicham Yalley, seen from the west 444 



18. The Black-Combe hanging valley and corrie, looking west- 



wards 446 



1. Index-map of districts [North- Western Province— Carboni- 



ferous Limestone Series] 451 



2. Vertical section of the succession in the North- Western 



Province . 452 



