828 SEC. 16. GEOLOGY AND MINING. 



3254c. Geological Map of London and its Environs. 

 Scale, 1 inch to a mile ; size, 24 inches by 26. Compiled from 

 various authorities by J. B. Jordan, of the Mining Record 

 Office, and printed in colours exhibiting the superficial deposits. 

 It includes Watford on the north, Epsom on the south, Barking 

 on the east, and Southali on the west, and shows the main roads 

 in and around the Metropolis, the railroads completed, and the 

 sanctioned lines. Edward Stanford. 



3254d. Geological Map of Canada and the adjacent re- 

 gions, including parts of the other British provinces and of the 

 United States, by the late Sir W. E. Logan, F.R.S., &c., Director 

 of the Geological Survey of Canada. Scale, 25 miles to an inch ; 

 size, 102 inches by 45. On eight sheets. Edward Stanford. 



3254e. Geological Map of India. General sketch of the 

 physical and geological features of British India, by G. B. 

 Greenough, F.R.S. With tables of Indian coalfields, mine- 

 rals, fossils, &c. Scale, 25 miles to an inch ; size, 68 inches by 

 80. On nine sheets. Edward Stanford. 



3254f. Geological Map of the World, by Jules Marcou. 

 Constructed by J. M. Ziegler. Size, 72 inches by 50. 



J. N. Ziegler. 



3254g. Geological Sketch Map of South Africa, from 

 personal observations (combined with those of Messrs. A. G. Bain, 

 A. Wylie, T. Bain, jun., Dr. Atherstone, and R. Pinchin, in Cape 

 Colony, together with those of Dr. Sutherland in Natal, and of 

 Mr. E. Button), north of 24 latitude. Scale, about 35 miles to an 

 inch ; size, 33 inches by 28. E. J. Dunn. 



3254h. Geological Map of the British Isles. 



E. Best. 



2. MAPS, DIAGRAMS, FOSSILS, &c., EXHIBITED BY VARIOUS 

 CONTRIBUTORS. 



3257. Section of a Well at the Hamp stead Road, showing 

 detail depths of strata, 1840. R. W. Mylne, F.R.S. 



3258. Five Outline Sections of the strata under London, 

 with a block index plan, 1850. R. W. Mylne, F.R.S. 



3259. Topographical and Geological Map of London and 



its environs. 



100 square miles, scale 1 *43 inch to a mile, 1851. 



R. W. Mylne, F.R.S. 



