xiv 



CONTENTS. 



CHAPTER VII. 



CARBONIFEROUS SYSTEM (continued). 



Page 



Coal-field of Coal Brook Dale. — Upper Coal and Freshwater Limestone. — Lower Coal or productive Coal 



and Iron field. — Carboniferous Limestone. — Trap Rocks and Dislocations (PI. 29. figs. 11 — 17.). ... 99 



CHAPTER VIII. 



CARBONIFEROUS SYSTEM (continued). 

 Clee Hill Coal-fields ; including the Titterstone Brown Clee ; with descriptions of the underlying forma- 

 tions of Millstone Grit and Carboniferous Limestone (PL 30. figs. 1, 5 8.) 112 



CHAPTER IX. 



CARBONIFEROUS SYSTEM (continued). 



Trap Rocks of the Clee Hills ; their composition and relations ; effects of their eruption. (PI. 30. figs. 



6,8.) 125 



CHAPTER X. 



CARBONIFEROUS SYSTEM (continued). 

 Coal-field and Trap Rocks of the Forest of Wyre (PI. 30. figs. 1—9.) 131 



CHAPTER XL 



CARBONIFEROUS SYSTEM (continued). 



Coal-field of Oswestry (North Welch Coal-field), including Coal Measures, Millstone Grit, and Carboni- 

 ferous Limestone. — (PI. 30. f. 14.) Concluding Observations on the Origin of the Salopian Coal-fields 141 



CHAPTER XII. 



CARBONIFEROUS SYSTEM (continued). 

 Coal-field of Newent. — Carboniferous Limestone of South Wales and Monmouthshire — Organic remains 



of the formation (PI. 30. fig. 10. PI. 31. f. 1. PI. 34. figs. 5—9.) 153 



CHAPTER XIII. 



CARBONIFEROUS SYSTEM (concluded). 



Principal Outliers and Dislocations of the Carboniferous Limestone on the northern and western edges of 



the South Welch Coal Basin (PI. 30. figs. 11—13. PI. 31. f. 1. PI. 34. f. 6.) 162 



CHAPTER XIV. 



OLD RED SYSTEM. 



1. Conglomerate and Sandstone. — 2. Cornstone and Marl. — 3. Tilestone (Plates 31 — 36.) 1 69 



