The Quarterly journal of the Geological Society of London . Du Richc Preller Del. <j„\\ Scale: 1,000 = ?0633 inch to xxxxxx Crest-line ofdivide of drainage-urea. the mile. • • • Fluvio-glacial and ivterglacial in metres above sea-level. Pleistocene times. The evidence consists chiefly in a number ofglacial and so-called fluvio-glacial deposits which I had examinediu the Swiss lowlands, and notably in the vicinity of the Lake of 2d 2 370 DR. C. S. DU EICHE PEELLEE ON FLTJVIO-GLACIAL [Aug. 1895, Zurich, where, perhaps more than in any other part of Switzerland,such de
The Quarterly journal of the Geological Society of London . Du Richc Preller Del. <j„\\ Scale: 1,000 = ?0633 inch to xxxxxx Crest-line ofdivide of drainage-urea. the mile. • • • Fluvio-glacial and ivterglacial in metres above sea-level. Pleistocene times. The evidence consists chiefly in a number ofglacial and so-called fluvio-glacial deposits which I had examinediu the Swiss lowlands, and notably in the vicinity of the Lake of 2d 2 370 DR. C. S. DU EICHE PEELLEE ON FLTJVIO-GLACIAL [Aug. 1895, Zurich, where, perhaps more than in any other part of Switzerland,such deposits are laid open within a comparatively small and easilyaccessible area. Kg. 2. PLAN OF LAKES ZURICH, ZUG and AEGEKI. Scale: 1:350,000=-iSi inch to the mile. River-courses ditrin^ glacial a7idinterglacial Crest-line #/divide of drainage-area,-glacial and interglacial. Du Riche Preller Det. >°OOCXXXXXXX> The first suggestion of certain gravel-beds at the foot of theItalian Alps being older than the two Pleistocene glaciations thengenerally accepted may be said to have emanated from Stoppani,1Desor,2 and notably from Renevier,3 as early as 1875. In 1882,Prof. Penck4 succeeded in showing, on the evidence of Decken- 1 II Mare Glaciale ai piedi delle Alpi. 2 Paysage Morainique. 3 Eelations du Pliocene et du Grlaciaire aux Environs de C6me, Bull. France, ser. 3, vol. iv. (1876) p. 187. 4 Die Vergletscherung der Deutschen Alpen, Leipzig, 1882. Vol. 51.] AND INTERGLACIAL DEPOSITS IN SWITZERLAND. 371 schotter or plateau-gravel, that the Bavarian and Austrian Alps hadbeen visited by three different glaciations; but as regards the SwissAlps, even such distinguished glacial geologists as Prof. Heimhesitated to adopt that view, until quite recently, namely in 1891,Dr. Leon Du Pasquier, of Neuchatel, showed in a valuable memoir]that the fluvio-g
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