LIST OF BOOKS OFFERED FOR SALE 
AT THE NET PRICES AFFIXED BY 
DULAU & CO., LTD., 37 SOHO SQUARE, LONDON, W. 
LAKE (P.). Physical Geography. Cambridge, 1915. 8vo. With 20 plates. i ; 
Cloth. 7s. 6d. 
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 1 
_ 68 text-illustrations. Cloth. 6s. 6d. 
Its purpose is the study and interpretation of rock-structures, not for | 
A 
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. 1.). The Rare Earths, their Occurrence, Chemistry, and Technology. 
London, 1914. 8vo. pp. 360. Cloth. 10s. 6d. 
MARR (J. E.). The Scientific Study of Scenery. 4th edition. London, 1912. 
8vo. pp. 372, with 23 plates and illustrations. Cloth. 5s. 
McGRIGOR (G. D.). Field Analysis of Minerals. London, 1915. 8yo. 
pp. 88. Boards. 38s. 6d. 
MITCHELL (P. C.).. Evolution and the War. London, 1915. Crown 8yo. 
pp. 139. Cloth. 2s. 6d. 
MORGAN (T. H.), STURTEVANT (A. H.), MULLER (H. J.), ann |} 
BRIDGES (C. B.). The Mechanism of Mendelian Heredity. London, 
- 1915. 8yo. Illustrated. 12s. 
PIRSSON (L. V.) AND SCHUCHERT (C.). Text-Book of Geology for use in 
Universities, etc. Part I, Physical ; Part II, Historical. New York, 1915. 
8vo. pp. 1061, with 40 plates and geological map of North America. 
Cloth. 17s. 
PRIMROSE (J. S. G.). The Practical Metallography of Iron and Steel. 
London, 1913. 8vo. pp. 130. Sewed. 3s. © 
RICHARDSON (C. H.). Heonomic 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.—Economies. 
RIES (H.) anD WATSON (T. L.). Engineering Geology. 2nd edition, 
enlarged. New York, 1915. 8yvo. pp. 722. Illustrated. Cloth. 17s. 
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. Svo. With 2 plates and 314 illustrations in the 
text. Cloth. 15s. 
CONTENTS.—-The Great IceAge—TheAntiquity of Man—Eoliths—Extinet 
Hunters—Middle Paleolithic—The Aurignacian Age—The Solutrian Age. 
WILLISTON (S. W.). Water Reptiles of the Past and Present. Chicago, — 
1914. S8vo. pp. 251. Illustrated. Cloth. 12s. 
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