LIST OF BOOKS OFFERED FOR SALE | 
AT THE NET PRICES AFFIXED BY 
DULAU & CO., LTD., 37 SOHO SQUARE, LONDON, Ww. 
LEVY (0. 1.). The Rare Earths, their Occurrence, Chemisiy, aniGeeeaiama 
London, 1914. 8yo. 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. 4s. 
PRIMROSE (J. S._G.). The Practical Metallography of Iron and Steel. | 
London, 1913. Svo. pp. 130. Sewed. 3s. 
RICHARDSON (C. H.). Economic Geology. New York, 1913. ~ 8yo. 
pp. 320, with many illustrations. Cloth. 10s. 6d. 
CONTENTS. —Ore Deposits.—Origin of Ore Deposits.—Precious Metals. é 
—Gold, Silver, Platinum.—Useful Metals.—Rare Metals.—Hconomies. 
RIES (H.) anD WATSON (T. L.). Engineering Geology. 2nd edition, 
enlarged. New York, 1915. 8vo. 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 8yo. 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 GreatIceAge—TheAntiquity of Man—Holiths—Extinet 
Hunters—Middle Paleolithic—The Aurignacian Age—The Solutrian Age. 
WILLIS (B.) and others. Outlines of Geologic History, with especial 
reference to North America. Hdited by R. D. Salisbury. Chicago, 1910. 
8vo. Illustrated. Cloth. 6s. : 
WILLISTON (S. W.). Water Reptiles of the Past and Present. Chicago, 
1914. 8vo. pp. 251. Illustrated. Cloth. i2s. 
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