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



the Caucasus. With explanatory text. Compiled from 

 the latest som^ces. Scale 1 : 1,000,000 (1578 miles=l inch). 

 The geological formations and the igneous rocks are clearly 

 displayed in twenty different colours. The gla,ciers are also 

 indicated. All heights are given in English feet, and the 

 latest railways have been inserted. The pamphlet of ex- 

 planatory 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. 



TEALL (J. J. Harris), M.A., F.G.S. British Petrography : 



with special reference to the Igneous Rocks. With 47 plates. 

 Roy. 8vo. Cloth. £3 3s. net. 



WILLIS (J. C). Ceylon : A Handbook for the Resident 

 and the Traveller. Peradeniya, 1907. 8vo, with two 

 maps and 62 plates. Cloth. 5s. net. 



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