LIST OF BOOKS OFFERED FOR SALE 



AT THE NET PEICES AFFIXED BY 



DULAU & CO., LTD., 37 SOHO SQUARE, LONDON, W. 



LANKESTER (Sir E ay). Diversions of a Naturalist. London, 1915. 8vo. 

 With coloured front and 43 other illustrations. Cloth. 6s. 



LECONT (J.). Elements of Geology. 5th ed., revised and enlarged. With 

 new plates and illustrations. New York, 1915. 8vo. Cloth. 18s. 



LEITH (C. K.). Structural Geology. London, 1914. 8vo. pp. 169, with 

 68 text-illustrations. Cloth. 6s. Qd. 



Its purpose is the study and interpretation of rock-structures, not for 

 themselves, but for the light they may throw on stratigraphic problems, 

 on economic geology, on the causes underlying the general configuration 

 of the earth, and on the earth's history. 



LEVY (0. I.). The Rare Earths, their Occurrence, Chemistry, and Technology. 

 London, 1914. 8vo. pp. 360. Cloth. 10s. 6cZ. 



MARR (J. E .). The Scientific Study of Scenery. 4th edition. London, 1912. 

 8vo. pp. 372, with 23 plates and illustrations. Cloth. 5s. 



PRIMROSE (J. S. G.). The Practical Metallography of Iron and Steel. 

 London, 1913. 8vo. pp. 130. Sewed. 3s. 



RICHARDSON - (C. H.). Economic Geology. New York, 1913. 8vo. 

 pp. 320, with many illustrations. Cloth. 10s. 6d. 



Contents. — Ore Deposits. — Origin of Ore Deposits.— Precious Metals. 

 —Gold, Silver, Platinum. — Useful Metals. — Rare Metals. — Economics. 



SEWARD (A. C). Antarctic Fossil Plants of the Terra Nova Expedition, 1910. 

 London, 1914. 4to. pp. 49, with 8 plates, 3 maps, and text-figures. 6s. 



SHIMER (H. W.). Introduction to the Study of Fossils, Plants, and Animals. 

 New York, 1914. Crown 8vo. Illustrated. Cloth. 10s. 6d. 



SOLLAS (W. J.). Ancient Hunters and their modern representatives. 2nd ed. 

 London, 1915. pp. 591. 8vo. With 2 plates and 314 illustrations in the 

 text. Cloth. 15s. 



Contents. — The Great Ice Age — TheAntiquity of Man— Eoliths — Extinct 

 Hunters — Middle Palaeolithic — The Aurignacian Age — The Solutrian Age. 



WILLIS (B.) and others. Outlines of Geologic History, with especial 

 reference to North America. Edited by R. D. Salisbury. Chicago, 1910. 

 8vo. Illustrated. Cloth. 6s. 



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