LIST OF BOOKS OFFERED FOR SALE 



AT THE NET PRICES AFFIXED BY 



DULAU & CO,, LTD., 37 SOHO SQUARE, LONDON, W. 



BAYLEY (W. S.). Minerals and. Rocks : the Elements of Mineralogy and 



Lithology for the use of Students in General Geology. London, 1916. 



pp. viii + 227. 8vo. Illustrated. Cloth. 6s. 

 CHAMBEBLIN (T. C). The Origin of the Earth. Chicago, 1916. pp. 271. 



8vo. Illustrated. Cloth. 6s. 

 ECKEL (E. C). Iron Orgs : their occurrence, valuation, and control. New 



York, 1914. Illustrated. Svo. Cloth. 17s. 

 HEATH (G. L.). The Analysis of Copper; and its Ores and Alloys. New 



York, 1916. pp. 292. Svo. Illustrated. Cloth. 12s. 6d. 

 HOWE (H. M.). The Metallography of Steel and Cast Iron. New York, 



1916. pp. 641, Svo, with 45 plates. Cloth. £2 2s. 

 KEITH (A.). The Antiquity of Man. " London, 1915. Svo. With 189 



illustrations. Cloth. 10s. 6d. 

 LAHEE (F. H.). Field Geology. New York, 1916. pp.508. Crown Svo. 



Illustrated. Cloth. 12s. 6d. 

 LELTH (CK.) and MEAD (W. J.). Metamorphic Geology. A Textbook. 



New York, 1915. 8vo. Illustrated. Cloth. 12s. 

 LIB-DELL (D. M.). The Metallurgists' and Chemists' Handbook. New 



York, 1916. pp. 603. Svo. Illustrated. Cloth. 17s. 

 MARE (J. E.). The Geology of the Lake District and the Scenery as influenced 



by Geological Structure. Cambridge, 1916. Svo. With geological 



map and figures. Cloth. 12s. , 



MUEDOCH (J.). Microscopical Determination of the Opaque Minerals: an 



aid to the study of Ores. New York, 1916. pp. vii + 165. Svo. 



Cloth. 8s. 6d. 

 OSBOEN (H. F.). Men of the Old Stone Age ; their Environment, Life, and 



Art. London, 1916. pp. xxvi + 545. Svo. Illustrated. Cloth. £1 Is. 

 PIESSON (L. V.) and SCHUCHEET (C). Text-Book of Geology for use in 



Universities, etc. Part I, Physical ; Part II, Historical. New York, 1915. 



pp. 1061, 8vo, with 40 plates and geological map of North America. 



Cloth. 17s. Separate Parts : I, 10s. ; II, 12s. 

 BASTALL (E. H.). Agricultural Geology. Cambridge, 1916. pp. 340. 8vo. 



Illustrated. Cloth. 10s. 6cL 

 THOMSON (A. B.). Oil-field Development and Petroleum Mining. London, 



1916. Svo. Illustrated. Cloth. £1 5s. 

 WAGNEE (F. H.). Coal and Coke. New York, 1916. pp. 431, 8vo, 



with 137 Illustrations. Cloth. 17s. 

 WEINSCHENK (E.). Fundamental Principles of Petrology, translated from 



the third German edition by A. Johannsen. New York, 1916. pp. 214. 



8vo. Illustrated. Cloth. IDs. &d. 

 WEST (G.). A useful book for Microscopists and Photographers : The 



Practical Principles of Plain Photo-Micrography. Dundee, 1916. 



pp. xiv -|- 145, with 8 plates, a coloured chart, and folding table. 



Sm. 4to, sewed. 4s. Qd. net. 

 WEST (G. S.). Algse. Vol. I : MyxophyceEe, Peridiniese, Bacillarieaj, 



Chlorophycea?, together with a brief summary of the occurrence and 



distribution of Freshwater Algse. Cambridge, 1916. pp. 486. Eoyal 8vo. 



With 271 illustrations. Cloth. £1 5s. 

 WHELDALE (M.). Anthocyanin Pigments of Plants. Cambridge, 1916. 



pp. x + 318. 8vo. Cloth. 15s. 

 WILLISTON (S. W.). Water Eeptiles of the Past and Present. Chicago, 



1914. pp. 251. 8vo. Illustrated. Cloth. 12s. 



