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THE POPULAR SCIENCE MONTHLY.
these precious remains, says that here arose a vast forest where abounded sequoias, poplars, oaks, magnolias, ebony, holly, walnut, and a host of other species. Still farther north, at 80° of latitude, were found aquatic
Fig. 2.—Principal Palms and Cycadeæ of the Middle Tertiary in Europe.
plants, pond-weed, water-lilies, rushes, etc., and terrestrial plants—bald cypress, thyme, fir, plane, linden, maple, mountain-ash, and even magnolias, forming a grand forest. The illustrious Professor of Zurich, M. Heer, regards many of these plants as miocene, and concludes that
