LIST OF BOOKS OFFERED FOR SALE 



AT THE NKT PMCES AFFIXED BT 



DULAU & CO.. LTD., 34-36 MARGARET STREET, 

 CAVENDISH SQUARE, LONDON, W. 1. 



AEBEE (E. A. N.). Devonian Floras. A study of the origin of Cormophyta. 



Withapreface by D.H.Scott. 8vo. Illustrated. Cloth. Cambridge, lls.&d. 

 BKYDONE (R. M.). The Stratigraphy of the Chalk of Hants, with Map and 



Palffiontological Notes, pp. 116. Royal, 8vo. With 3 plates and large 



coloured zonal map. 10s. 6d. net. 

 COX (G. H.),DAKE (C. L.), and MUILENBUKG (G.A.). Field Methods in 



Petroleum Geology, pp.305. 8vo. Illustrated. New York, 1921. £1 4s. 

 DAVIES (A. M.). An Introduction to Talseontologv. Illustrated. 8vo. 



Cloth. 1920. 12s. 6d. 

 EMMONS (W. H.). Geology of Petroleum, pp. 624. 8vo. Illustrated. 



New York, 1921. £1 16s. 

 GREGORY (J. W.). The Rift Valleys and Geology of East Africa. With many 



maps and illustrations, pp.479. 8vo. Cloth. London, 1921. £1 12s. 

 HARKER(A.). Petrology for Students. Fifth edition. Crown 8vo. Cloth. 



Cambridge, 1919. 8s. 6d. 

 HAWKINS (H. L.). Invertebrate Paleontology, and Introduction to the Study 



of Fossils. Svo. With 16 illustrations. Cloth. London, 1920. 6s. 6d. 

 HOBBS (W. H.). Earth Evolutions and its Facial Expression. Svo. 



Illustrated. Cloth. New York, 1921. 15s. 

 HOLMES (A.). Nomenclature of Petrology, pp. 284 + viii. Crown Svo. 



Cloth. London, 1920. 12s. 6d. net. 



Petrographic IMethods , and Calculations, with some Examples 



of Results Achieved. pp.xx + ,i6. 8vo. Cloth. London, 1921. £llls.6(?. 



TTTKES-BROWNE (A. J,). The Hills and Valleys of Torquay: a Study in 



Valley Development and an explanation of Local Scenery. 1907. 



Seven maps and diagrams. Svo. Cloth. 2s. Qd. net. 

 KRAUS (E. H.) AND HUNT (W. F.). Mineralogy: an introduction to the 



study of Minerals and C'vstals. pp. xiv -f 561. Svo. Cloth. New 



York, 1920. £1 7s. 

 LAKE (P.) AND RASTALL (R. H.). Text-book of Geology. Third edition. 



London, 1920. Svo. Cloth. £1 Is. 

 LEITH (C. K.). The Economic Aspect of Geology, pp. xiii + 457. Svo. 



Cloth. New York, 1921. £1 10s. 



and MEAD (W. J.). Metamorphic Geology. A Textbook. Svo. 



Illustrated. Cloth. New York, 1915. £1. 



POSTLETHWAITE (J.). Mines and Mining in the (English) Lake District. 



Third edition. Svo. Illustrated. Cloth. Whitehaven, 1913. 5s. 

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



Cloth. Cambridge, 1916. 12s. 

 REED (F.R. C). The Geology of the British Empir£. pp.480. Svo. With 



12 folding maps and 13 maps and sections in the text. Cloth. London, 



1921. £2. 



RUTLEY (F.). Elements of Mineralogy. 20th ed. Revised with an intro- 

 duction by G. T. Hollowav. pp. xxii + 394. Cr. Svo. Illustrated. Cloth. 6s. 



SHERBORN (C. D.). Bibliography of the Foraminifera, Recent and Fossil, 

 from 1565-1SS8. Svo. Cloth. 4s. 



TEALL (J. J. Harris), M.A., F.G.S. British Petrography: with special 

 reference to the Igneous Rocks. With 47 plates. Royal Svo. Cloth. 

 £3 3s. net. 



TUTTON (A. E. H.). Crystallography and Practical Crystal Measurement. 

 Second edition in two volumes. Illustrated. Svo. Cloth. London, 



1922. Vol. I, Form and Structure. 50s. net. Vol. II, Physical and 

 Chemical. 50s. net. 



