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MAPS AND SECTIONS. 



Africa. Geological Sketch Map of South Africa. Scale about 40 



miles to an inch. By E. J. Dunn. London. 

 Shows Glacial Conglomerate, Tertiary, Oolitic?, Triassic, Dwyka 

 Conglomerate, Carboniferous, Devonian, Silurian, Igneous. 



Anatolia. Mining Map of. 8 photographic sheets. Scale 

 1 : 1,000,000. By Dr. E. Weiss [? published in 1876]. 



England and Wales. 5 Sheets of the Geological Survey Map. Scale 

 an inch to a mile. 



Sheet 1, N.E. (Chelmsford, Ingatestone, Billericay, Maldon.) New 

 Edition. [Dated 1871, but not published until 1876.] By W. B. 

 Dawkins, W. H. Penning, and H. B. Woodward. Contains the 

 survey of the Drift-deposits (Boulder Clay, Gravel and Sand, &c.) and 

 the revision of the Bagshot Beds. 



Sheet 1, N.W. (Brentwood, Chipping On gar, Epping, Hoddesdon, 

 Waltham Abbey.) New Edition. By W. Whitaker, W. B. Dawkins, 

 W. H. Penning, H. B. Woodward, and F. J. Bennett. Contains the 

 survey of the Drift-deposits (Boulder Clay, Gravel and Sand, &c.) and 

 the revision of the Bagshot Beds, &c. 



Sheet 1, S.E. (Gravesend, Bayleigh, Eochford, Southend.) New 

 Edition. [Dated 1871, but not published until 1876.] By H. W. 

 Bristow, W. Whitaker, W. B. Dawkins, and H. B. Woodward. Con- 

 tains the survey of the Drift-deposits, chiefly Thames Valley gravel 

 and brickearth. 



Sheet 1, S.W. (East of London, Barking, Dartford, Greenwich, 

 Ilomford, Woolwich.) New Edition. [Dated 1872, but not published 

 until 1876.] By W. Whitaker and W. B. Dawkins. Contains the 

 survey of the Drift-deposits, chiefly Thames Valley gravel and brick- 

 earth. 



Sheet 48, S.E. (Walton le Soken.) By W. Whitaker. Contains 

 Blown Sand and Shingle, Alluvium, Glacial and Post-Glacial Gravel 

 Sand and Loam, Chillesford Beds ?, Red Crag, and London Clay. 



H. B. W. 



England and Wales. 5 Sheets of the " Horizontal Sections " of the 

 (Jeolofjical Survey. Scale 6 inches to a mile. 



Sheet 96. Section from the northern side of the Skipton Anticlinal 

 to the middle of the Yorkshire Coalfield, crossing the Millstone Grit of 

 Sheltercliff E.N.E. of Skipton, the Yoredale Bocks and Carboniferous 

 Limestone of Draughton, the Millstone Grit of Rumbles Moor, the out- 

 lier of Lower Coal Measures at Baildon, the Millstone Grit of Baildon 



