CAUSAL GEOLOGY
By E. H. L. SCHWARZ, A.R.C.S., F.G.S.
Professor of Geology at the Rhodes University College, Grahamstown, South Africa; late Geologist to the Geological Commission of the Colony of the Cape of Good Hope.
Illustrated. Demy 8vo, Js. 6d. net
    An important contribution to the science of Geology, and particularly to the discussion of the Planetisinal Hypothesis of Professor T. C. Chamberlin. The author re-exainines many of the fundamental facts and principles of Geology, with a view to a general statement of the readjustments of our outlook necessitated by the new hypothesis.
SOUTH AFRICAN GEOLOGY
By Professor E. H. L. SCHWARZ, A.R.C.S., F.G.S. Illustrated. Demy 8vo, cloth, 4-f. 6d. net
GEOGRAPHY
STRUCTURAL, PHYSICAL, COMPARATIVE
By J. W. GREGORY, D.Sc., F.R.S.
Professor of Geology in Glasgow University
    With Coloured Maps, Plans, and Illustrations. Demy 8vo, 6s. net
THE STONE AGES
IN NORTH BRITAIN AND IRELAND
By the Rev. Frederick Smith. With an Introduction by Professor A. H. Keane, LL.D., F.R.G.S., late Vice-President of the Anthropological Institute. Illustrated by over Five Hundred Drawings of Typical Specimens. Demy 8vo, i6i. net.
     “Every student of Palaeolithic and Neolithic man will feel bound to have bo important a book on his shelve*."—Aihenmtam.
THE COAL-FIELDS OF SCOTLAND
By ROBERT W. DRON, A.M.I.C.E., M.I.M.E.
Certificated Colliery Manager
Demy 8vo, cloth, i$s. net
    A topographical and geological description of the mining areas of Scotland, with details of the various seams and many maps of the coalfields.
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