[Footnote 72: Such fossils as are found in the Equatorial rocks are recent species, and the fault harbours of the coast have not had time to lose altogether the peculiar characters of such structures under the influence of the rivers which enter them and the strong tidal currents.] [Footnote 73: The gypsum often found between the sandstone and the coral was most probably formed by the drying up of a _shallow_ sea which occupied the site before the Rift Valley appeared, and probably the sandstones are the sediments deposited in the same sea; also parts of the present maritime plain were formed as the shore deposits of this ancient sea.] [Footnote 74: The forms Salak and Shalak are both used by the natives.] =Cambridge University Press= SELECTED LIST =The Land of the Blue Poppy.= Travels of a Naturalist in Eastern Tibet. By F. KINGDON WARD, B.A., F.R.G.S. With 40 plates and 5 maps. Royal 8vo. 12s net. =The Duab of Turkestan.= A Physiographic sketch and account of some travels. By W. RICKMER RICKMERS. Large Royal 8vo. With 207 illustrations. 30s net. =Yun Nan, the link between India and the Yangtze.= By Major H. R. DAVIES, 52nd Oxfordshire Light Infantry. With map and 73 plates. Royal 8vo. 16s net. =A History of Geographical Discovery in the Seventeenth and Eighteenth Centuries.= By EDWARD HEAWOOD, M.A., Librarian to the Royal Geographical Society. Crown 8vo. With 59 illustrations. 12s 6d net. =The Lands of the Eastern Caliphate,= Mesopotamia, Persia and Central Asia, from the Moslem conquest to the time of Timur. By GUY LE STRANGE, Author of “Baghdad during the Abbasid Caliphate,” etc. Crown 8vo. With 10 maps. 15s =A History of Ancient Geography.= By H. F. TOZER, M.A., F.R.G.S., Honorary Fellow of Exeter College, Oxford. Crown 8vo. With 10 maps. 10s 6d =Outlines of Military Geography.= By T. MILLER MAGUIRE, LL.D., of the Inner Temple, Barrister-at-Law. Crown 8vo. With 27 maps and illustrations. 10s 6d =The Geography of Disease.= By FRANK G. CLEMOW, M.D. Edin., D.P.H. Camb., Physician to H.M. Embassy, Constantinople. With 12 maps and charts. Crown 8vo. 15s =A Geographical History of Mammals.= By R. LYDEKKER, B.A., F.R.S., etc. Crown 8vo. With 82 figures and a map. 10s 6d =Ethnology.= In two parts: I. Fundamental Ethnical Problems, II. The Primary Ethnical Groups. By A. H. KEANE, F.R.G.S. Crown 8vo. With numerous illustrations. _Second edition, revised._ 10s 6d =Man, Past and Present.= By A. H. KEANE, F.R.G.S. Crown 8vo. With 15 illustrations. 12s =The Climate of the Continent of Africa.= By ALEXANDER KNOX, B.A. (Cantab.), F.R.G.S. Royal 8vo. With 13 maps and a diagram. 21s net. A complete catalogue of the publications of the University Press will be sent post free on application Cambridge University Press Fetter Lane, London. C. F. Clay, Manager =Cambridge University Press= SELECTED LIST