LEITH (C. K.). Structural Geology. London, 1914. 
68 text-illustrations. Cloth. 6s. 6d. — ot 
Its purpose is the study and interpretation of rock- structures, Tit for 1 
themselves, but for the light they may throw on stratigraphic Denis, ty 
~ on economic geology, on the causes underlying the general config 
of the earth, and on the earth’s history. 
LEVY (0. 1.). The Rare Earths, their Occurrence, Chemistry, snd Teoh 
London, 1914. 8vo. pp. 360. Cloth. 10s. 6d. 
MARR (J. E.). The Scientific Study of Scenery. 4th edition. London, 1912 
8yo. pp. 372, with 23 plates and illustrations. Cloth. 5s. 
eee (G. D.). Field Analysis of Minerals. ees 1915. BVO, 
. 88. Boards. 3s. 6d. i 
MITCHELL (P: C.). Evolution and the War. London, 1915. ae sre 
p. 139. Cloth. 2s. 6d. ee 
MORGAN (T. H.), STURTEVANT (A. H.), MULLER (H. J.), AND |@ 
BRIDGES (C. B.). The Mechanism of Mendelian Fevediiy. London, | — 
: 1915. 8vo. Dlustrated. 12s. 4 
PIRSSON (L. V.) AND SCHUCHERT (C.). Text-Book of Geology for use in | 
Universities, etc. Part I, Physical ; Part II, Historical. New York,1915. | 
8yo. pp: 1061, with 40 plates and ceological map of North America. 
Cloth. ~ 17s. Sh 
PRIMROSE (J. 8S. G.). The Practical Metallography of Tron and Steel. ee 
London, 1913. Syo. pp. 130. Sewed. 3s. 
RICHARDSON (C. H.). Economie Geology. New York, 1913. - Bv0. | 
pp- 320, with many illustrations. Cloth. 10s. 6d. =a 
CONTENTS.—Ore Deposits.—Origin of Ore Deposits. pees Metals. — 
—Gold, Silver, Platinum.—Useful Metals.—Rare Metals.—Economies. ; 
_ RIES (H.) anp WATSON (T. L.). Engineering Geology. 2nd edition, | 
enlarged. New York, 1915. Svo. pp. 722. Illustrated. Cloth. 17s. — 
SEWARD (A. C.). Antarctic Fossil Plants of the Verra 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 ae 1914, Crown 8vo. Illustrated. Cloth. 10s. 6d. 
SOLLAS (W. J.). Ancient Hunters and their modern representatives. ond ed: — 
London, 1915. pp. 591. Svo. With 2 plates and 314 illustrations in the 
text. Cloth. 15s. : 
CoNnTENTS.—The Great Ice Age—TheAntiquity of Man—Eoliths—Extinet sh 
Hunters—Middle Palwolithic—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. aah 
WILLISTON (S. W.). Water Reptiles of-the Past and Present. Chicago, — 
1914. 8yo. pp. 251. Illustrated. Cloth. 12s. Sy 
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