LIST OF BOOKS OFFERED FOR SALE 
AT THE NET PRICES AFFIXED BY 
DULAU & CO., LTD., 37 SOHO SQUARE, LONE we 3 
d LEITH (C. K.). Structural Goal Tee haee: 1914. S8yo, pp. 169, “with 
Zs 68 text-illustrations. Cloth. 6s. 6d. 
Its purpose is the study and interpretation of orl 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. 
London, 1914. 8vo. pp. 360. Cloth. 10s. 6d. 
8yo. pp. 372, with 23 plates and illustrations. Cloth. 5s. 
McGRIGOR (G. D.). Field Analysis of Minerals. London, 1915. 8vyo. 
pp. 88. nee 3s. 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.), AND 
BRIDGES (C. B.). The Mechanism of Mendelian Heredity. London, 
1915. S8yo. Ilustrated. 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 ceological map of North America. 
Cloth. 17s. 
PRIMROSE (J. S. G.). The Practical Metallography of Iron Ae 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.—Economies. 
RIES (H.) anp WATSON (fT. L.). Engineering Geology. 2nd edition, 
enlarged. New York, 1915. S8vo. 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. 8vo. With 2 plates and 314 illustrations in the 
text. Cloth. 15s. 
; CoNTENTS.—The Great IceAge—TheAntiquity of Man—Eoliths—Extinet 
a Hunters—Middle Paleolithic—The Aurignacian Age—The Solutrian Age. 
1914. S8vo. pp. 251. Illustrated. Cloth. 12s. 
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"MARR (J. E.). The Scientific Study of Scenery. 4th edition. London, 1912. 
WILLISTON (S. W.). Water Reptiles of the Past and Present. Chicago, 
LEVY (0. 1.). The Rare Earths, their Occurrence, Chemistry, and Technology. — a 
