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General Topographic Maps.—Baedeker's guides are best in this respect, for Rhine and Alps sufficient. Every nation has military maps covering more or less of Europe. The Austrian map covers most of Europe, and is good.

(1) See the Preis-Verzeichniss of R. Lechner in Vienna (Wien). Also—

(2) Stanford's Tourist Catalogue, 1884, with addenda and corrigenda since (gratis). This firm's specialty is geologic and geographic publications. The guide to the Isle of Wight by M. W. Norman, 1887, may not be catalogued yet.

(3) For geologic maps see National Geological Surveys of Europe, by William Topley (6d.), 1885, London, Trübner & Co.

Note that the official surveys are not always strictly confined within boundary-lines. So the Austrians have done much work in the Balkans, and the earlier French survey of De Beaumont covers one's route up to Italy or the Tyrol. Many of the books and geologic guides mentioned below include or accompany maps. Such are starred. Of bulky works on European geology the following are the best:

(4*) Ramsay, Physical Geology and Geography of Great Britain (11s. 6d.), 1878, E. Stanford, London. Just out is Woodward's Geology of England and Wales, 1887, 18s.

(5*) Geikie, A., Text-Book of Geology, 1882.

(6) De Lapparent, Traité de Geologie, 1885, F, Savy, Paris. (The last seven hundred pages contain a full account of the formations in various countries, with references.)

(7) Mourlon, Géologie de la Belgique, 1881, F. Savy, Paris. (Purely local.)

(8) Credner, H., Elemente der Geologie, 1883, Leipsic, Engelmann.

(9) Roth, J., Allgemeine und chemische Geologie, 1879-1883, W. Herz, Berlin. (The second volume, just complete, is full of petrographic localities and references.)

(10) M. Neumayr, Erdgeschichte (16 marks), 1886, Bibliog. Institut, Leipsic. Very fresh and finely illustrated.

(11) Suess, Das Anthtz der Erde.

(12*) Von Hauer, F., Geologie (as applied to Austria), 1878, A. Holder, Vienna (Wien).

Of smaller transportable works may be mentioned the following:

(13*) Geikie, Outlines of the Geology of the British Isles (2s.), 1876, W. & A. K. Johnston, Edinburgh.

(14) Geology of Belgium and the French Ardennes (1s. 6d.), 1885, Stanford, London. (By various writers; includes rough sketch-map and references to Dewalque's map, etc.).

A joint excursion in the environs of Brussels was made by the Geologic and Malacologic Societies, reported by A. Rutot, 1881. A separate reprint of this would be the best guide. Such reprints are valuable guides, and are often advertised in catalogues of second-hand books, or may also often he obtained of the secretaries of the various societies or the authors.

(15*) The agricultural geology of Belgium, sketched in 14, is treated more fully by Malaise and De Laveleye.

(16*) On the geology of the Rhine (Baedeker has something), Von Dechen has a series of Geognostische Führer in das Siebengebirge, Vorder-Eifel, Hinter-Eifel, etc. In society proceedings, various papers by Wolff, Hubbard, Las-peyres, etc.