LIST OF BOOKS OFFERED FOR SALE 



AT THE NET PRICES AFFIXED BY 



DULAU & CO., LTD., 37 SOHO SQUARE, LONDON, W. 1. 



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



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



pp. viii + 227. Svo. Illustrated. Cloth. 6s. 

 FEBGUSSON (W. N.). Adventure, Sport, and Travel on the Tibetan 



Steppes. London, 1911. Svo. With illustrations from photographs by 



the Author and the late Lieut. Brooke, and two maps. Svo. Cloth 



(16s. net). 5s. Qd. 

 GUPPY (H, B.). Plants, Seeds, and Currents in the West Indies and Azores ; 



the results of investigations carried out in those regions between 1906 and 



1914. London, 1917. Boyal Svo. Cloth. £1 5s. 

 Observations of a Naturalist in the Pacific between 1896 and 18^99. 



Vol. I : Vanua Levu, Fiji, a description of its leading Physical and 



Geological Characters. Vol. II : Plant-Dispersal. London, 1903-10. 



2 vols. Svo. Illustrated. Cloth (36s.). 10s. 6d. 

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



York, 1916. pp. 292. Svo. Illustrated. Cloth. 12s. Qd. 

 HEBMAN (0.) and OWEN (J. A.). Birds Useful and Birds Harmful. 



Manchester, 1909. pp. viii + 387, with numerous illustrations. 8vo. 



Cloth. As new (6s. net). 3s. 

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



illustrations. Cloth. 10s. %d. 

 .LAHEE (F. H.). Field Geology. New York, 1916. pp.508. Crown 8vo. 



Illustrated. Cloth. 12s. U. 

 LEITH (C. K.) and MEAD (W. J.). Metamorphic Geology. A Textbook. 



New York, 1915. Svo. Illustrated. Cloth. 12s. 

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



by Geological Structure. Cambridge, 1916. 8vo. With geological 



map and figures. Cloth. 12s. 

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



aid to the study of Ores. New York, 1916. pp. vii + 165. 8vo. Cloth. 



9s. 6d. 

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



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

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



Illustrated. Cloth. 10s. 6d. 

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



1916. 8vo. Illustrated. Cloth. £1 5s. 

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



with 137 Illustrations. Cloth. 17s. 

 WEST (G. S.). Algae. Vol. I : Myxophycese, Peridiniese, Bacillariefe, 



Chlorophycege, together with a brief summary of the occurrence and 



distribution of Freshwater Algse. Cambridge, 1916. pp.486. Boyal Svo. 



With 271 illustrations. Cloth. £1 5s. 

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



pp. x + 318. Svo. Cloth. 15s. 

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



1914. pp. 251. Svo. Illustrated. Cloth. 12s. 

 WOBSDELL (W. C). The Principles of Plant Teratology. 2 vols. Svo. 



With 50 plates. Cloth. £2 10s. net. 

 YOUNG (B. B.). The Banket : a Study of the Auriferous Conglomerates of 



the Witwatersrand and the Associated Bocks. London, 1917. 8vo. 



With numerous descriptive photomicrographs. Cloth. 8s. Qd. 



