JUST PUBLISHED. 



PROVISIONAL 



On one sheet measuring 33 by 35 inches. 

 Scale 1 : 1,000,000, or about 16 miles to one inch. 



Showing the geological formation in 12 colours, sites of the 



principal mines, railways, rivers, etc. Compiled by the Geological 



Survey of Southern Ehodesia, and obtainable from the Mining 



Commissioner, Salisbury, Southern Ehodesia. 



Price £1 (postage to the United Kingdom Is. 4d. extra). 



OSWALD (Felix), D.Sc, F.G.S. A Geological Map of the 



Caucasus. Witli explanatory text. Compiled from tlie latest 

 sources. Scale 1 : 1,000,000 (1578 miles = 1 inch). The geological 

 formations and the igneous rocks are clearly displayed in twenty 

 different colours. The glaciers are also indicated. All heights are 

 given in English feet, and the latest railways have been inserted. 

 The pamphlet of explanatorj^ text gives a brief account of the main 

 physical divisions of the Caucasus, followed by a detailed description 

 of the successive geological horizons with their characteristic fossils. 

 Special care has been taken to indicate the exact position in the 

 geological series at which petroleum occurs in the Caucasian oil-fields. 

 15s. net. Postage Is. 



TABLE OF BRITISH STRATA. 



COMPILED BY 



HENRY WOODWARD. LL.D., F.R.S., F.G.S. 

 HORACE B. WOODWARD. F.R.S.. F.G.S. 



5/- net. Folded in book form, 7/6 net. Postage Is. 



London: DULAU & CO., Ltd. 

 34-36 Margaret Street, Cavendish Square, W. 1. 



