362 MAPS AND SECTIONS. 



land, across the Carboniferous Limestone, Millstone Grit, and the 

 Northumberland and Durham Coal-field ; through Bingfield, Great 

 Whittington, Halton Shields, Newton Hall, Bearl, Mickley, Hedley 

 Woodside, Chop well, Tanfield, Kibbles worth, Great Us worth, Hedworth 

 and Harton ; thence across the Magnesian Limestone to the coast 3 

 miles north of Whitburn. By H. H. HowelL 



Shows Alluvium, Boulder Clay, Magnesian Limestone and Sand, M. 

 and L. Coal Measures, Millstone Grit, Carboniferous Limestone Series, 

 and Basalt (Whin Sill). Probable position of Coal Measures marked to 

 a depth of about 2000 feet below the sea-level. 



Sheet 110. Section from Byerhope Head .... across the Yore- 

 dale Rocks, Millstone Grit, and the Durham Coal-field, through .... 

 the Derwent Lead Mines .... and .... the Magnesian Limestone 

 .... to the Coast, 3 miles south of Sunderland. By H. H. Howell 

 and D. Burns. 



The first part shows the intrusive basalt of the Whin Sill ; and the 

 last part is carried below the sea-level. 



Sheet 111. Section across the Bristol Coal-field and the North part 

 of the Somersetshire Coal-field, from Cromhall at the North .... to 

 Keynsham and Compton Dando. By John Anstie and H. B. Woodward. 



Lias, Penarth Beds, Keuper Marl, Dolomitic Conglomerate, Carboni- 

 ferous beds (6 divisions), and Old Red Sandstone are shown, to a depth 

 of 3000 feet below the surface. 



Sheet 112. Section across the Somersetshire Coal-field from Hound- 

 street on the North, through .... Radstock .... the East End 

 of the Mcndip Hills at Whatley, to ... . Maiden Bradley. By John 

 Anstie and H. B. Woodward. 



Shows Cretaceous beds, Jurassic (7 divisions), Penarth Beds, Keuper 

 Marl, Dolomitic Conglomerate, Carboniferous beds (6 divisions), and 

 Old Red Sandstone. The first half carried to 3000 feet below the 

 surface. W. W. 



England and Wales. Sheet 55 of the Vertical Sections of the Geo- 

 logical. Survey. Sections of the Northumberland Coal-field between 

 the rivers Coquet & Lyne. By W. Topley. 



13 sections, with an index-map showing their positions. Scale 40 

 feet to an inch. 



Europe. [Geological Map of J. By Staff Captain Hennequin. Scale 

 1 : 8,000,000. Brussels. 



The divisions shown are : — Granitic, Porphyritic, Volcanic, Crystal- 

 line schists, Cambrian, Silurian, Tipper, Middle, and Lower Devonian, 

 Upper, Middle, and Lower Carboniferous, Permian, Trias, Lias, Jurassic 

 proper (^. e. Bath, Oxford, and Portland Oolites), Cretaceous, Eocene, 

 Miocene, Pliocene, Mud-volcanoes, and Quaternary and Recent. The 

 projection adopted is that of Elamsteed modified. The centre of the 

 map is in lat. 43° N., long. 20° E. of Paris. E. de Beaumont's system 

 of mountains is recognized in a limited degree. G. A. L. 



France, Carte minerale de la. Lyon. 



