LIST OF BOOKS OFFERED FOR SALE 



AT THE NET PBICES AFFIXED BY 



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



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



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



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

 COLES-FINCH (W.). Water: its Origin and Use. Illustrations of mountain 



arid glacier scenery from original pictures of Mrs. Aubrey Le Blond. 



London, 1908. 8vo. Cloth (21s. net). 6s. 

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



Steppes. London, 1911. 8vo. With illustrations from photographs by 



the Author and the late Lieut. Brooke, and two maps. 8vo. Cloth 



(16s. net). 5s. M. 

 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 8vo. Cloth. £1 5s. 

 Observations of a Naturalist in the Pacific between 1896 and 1899. 



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



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



2 vols. 8vo. Illustrated. Cloth (36s.). 10s. 6cZ. 

 HERMAN (O.) and OWEN (J. A.). Birds Useful and Birds Harmful. 



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



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

 HORWOOD (C. B.). The Gold Deposits of the Rand. London, 1917. 8vo. 



Illustrated. Cloth. 15s. 

 KEITH (A.). The Antiquity of Man. London, 1915. 8vo. With 189 



illustrations. Cloth. 10s. 6d. 

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



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

 MARR (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. 

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



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



9s. 6d. 

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



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

 RASTALL (R. H.). Agricultural Geology. Cambridge, 1916. pp. 340. Svo. 



Illustrated. Cloth. 10s. 6rZ. 

 SEWARD (A. C). Fossil Plants : a Text-book for Students of Botany and 



Geology. Vol. iii. Cambridge, 1917. Svo. With 253 illustrations. 



Cloth. -18s. (Vol. i, 1898, 10s. ; Vol. ii, 1910, 15s.) 

 TILL YARD (R. J.). The Biology of Dragon-flies (Odonata or Paraneurop- 



tera). Cambridge, 1917. pp.407. Svo. With four plates (two coloured.) 

 ' and text illustrations. Cloth. 15s. 

 WEST (G. S.). Algse. Vol. I : Myxophyeeaa, Peridiniese, Bacillariese, 



Chlorophycese, together with a brief summary of the occurrence and 



distribution of Freshwater Algas. Cambridge, 1916. pp. .486. Royal Svo. 



With 271 illustrations. Cloth. £1 5s. 

 WHITE (G.). The Natural History and Antiquities of Selborne in the 



County of Southampton. London, 1911. 4to, with coloured illustrations. 



Cloth (10s. Qd. net) as new. 6s. 6d. 

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



the Witwatersrand and the Associated Rocks. London, 1917. Svo. 



With numerous descriptive photomicrographs. Cloth. 8s. 6d. 



