LIST OF BOOKS OFFERED FOR SALE 
AT THE NET PRICES AFFIXED BY 
DULAU & CO., LTD., 37 SOHO SQUARE, LONDON, W. 
CHAPMAN (F.). Australasian Fossils: a Students’ Manual of Paleontology. 
With an Introduction by Professor E. W. Skeats, D.Sce., F.G.S. Crown 
Syo. pp. 341, with 150 illustrations and Map of Australia. 7s. 6d. 
GEOLOGICAL MAGAZINE.—The work cannot fail to be of great service, 
not only to students, but to all interested in geological studies on the 
other side of the globe. 
CRAIG (E.H.C.). Oil Finding: an Introduction to the Geological Study 
of Petroleum. 2nded. London, 1914. S8yvo. pp. 208. Cloth. 8s. 6d. 
CRAMPTON (C. B.), AND CARRUTHERS (BR. G.). The Geology of Caithness. 
Edinburgh (Geol. Sury.), 1914. 8vo. Illustrated. 4s. 
DANA. ‘Third Appendix to the Sixth Edition of Dana’s System of 
Mineralogy, by William E. Ford. Completing the Work to 1915. New 
York, 1915. 8vo. pp. xiii+ 87. Cloth. 6s. 6d. 
ECKEL (E. C.). Iron Ores: their occurrence, valuation, and control. New 
York, 1914. S8vo. Illustrated. Cloth. 17s. 
FINLAY (G. I.). Introduction to the Study of Igneous Rocks. London, 1913. 
Crown 8vo. pp. 228, with 3 coloured plates and numerous illustrations. 
Flexible leather. 8s. 6d. 
GOLDFUSS (G. A.). Petrafacta Germanie. Abbildungen und Beschreib- 
ungen der Petrefacten Deutschlands und der Angrenzenden Lander. 
Herausgegeben von Dr. A. Goldfuss. Dusseldorf, 1826-4. 3 vols. of 
text and 3 vols. of plates, 6 vols. in 4. 700 pp. of letterpress; 201 plates, 
comprising a vast number of illustrations. Folio. Half-morocco. £7 10s. 
GREGORY (J. W.). Geology of To-day. A popular introduction in simple 
language. London,1915. 8vo. pp. 328, with 24 plates and illustrations. 
Cloth. 5s. ; , 
HUTCHINSON (H. G.). Life of Sir John Lubbock (Lord Avebury). London, 
1914. 2vyols. 8vo. pp. 352, 344. £1 10s. 
IDDINGS (J.). The Problems of Voleanism. (Silliman Memorial Lectures.) 
New Haven, 1914. Roy. 8vo. With 86 illustrations and chart. Cloth. 
seal iss 
JOHANSSEN (A.). Manual of Petrographic Methods. New York, 1914. 8yo. 
Tilustrated. Cloth. £1 5s. 
JOLY (J.). The Birth-time of the World, and other scientific essays. London, 
1915. 8vo. With 28 plates and 15 illustrations in text. Cloth. 10s. 6d. 
KEITH (A.). The Antiquity of Man. London, 1915. S8vo. With 189 
illustrations. Cloth. 10s. 6d. 
LAKE (P.). Physical Geography. Cambridge, 1915. 8vo. With 20 plates. 
Cloth. 7s. 6d. 
LANKESTER (Sir Ray). Diversions of a Naturalist. London, 1915. 8vo. 
With coloured front and 43 other Ulustrations. 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. 6d. 
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. 1.). The Rare Earths, their Occurrence, Chemistry, and Technology. 
London, 1914. 8vo. pp. 360. Cloth. 10s. 6d. 
