PROCESS-BLOCKS AND OTHER ILLUSTRATIVE FIGURES, 

 BESIDES THOSE IN THE PLATES. 



Fig. Page 



1. Yiew of Cleeve Bav, looking towards the North Hill, Mine- 



head 13 



2. Sparkibrd Hill section (diagrammatic) 44 



3. Map showing the positions of the quarries at Sparkford 



Hill and Camel Hill 44 



4. Diagrammatic section of the quarry at Fivehead 52 



1. Geological map of South Nottinghamshire 78 



2. Section of the Great Central Railway between Annesley and 



Kirkby-in-Ashfield 80 



3. Section at Messrs. Lindley's ' White Sandstone ' Quarry, Mans- 



field 87 



4. Diagrammatic section across the Permian at Mansfield 90 



5. Diagram to illustrate the formation of the Mansfield ' Sand- 



stone ' 90 



6. The sandpit of the Mansfield Sand Company, Ltd., Berryhill, 



Mansfield 92 



1. The south-western coast of Skomer Island, seen from Skoiner 



Head 176 



2. [Vertical sections.] Anvil Bay & Jeffry's Haven 181 



3. [Microscopic sections.] Soda-rhyolite of Skomer 186 



4. Nodular rhyolite of the Basin, Skomer 187 



5. [Microscope-sections.] Pseudomorphs after augite in chlorite, 



etc 188 



6 & 7- [Microscope-sections.] Albite-trachytes of Skomer 191,193 



8. [Microscope-sections.] Keratophyres of Skomer 194 



9. [Microscope-sections.] Skomerite and mugearite 197 



VOL. lxyii. b 



