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THE POPULAR SCIENCE MONTHLY.
glacial which has been applied to it is certainly appropriate, because of the enormous and unknown extension of the glaciers, the traces of which are the principal character of the epoch. But at certain distances from existing glaciers there doubtless existed valleys with a
Ideal View of the Banks of Lake Aix at the Time of the Formation of the Gypsum.
warm or at least a temperate climate. The mixed fauna and flora of this period abundantly prove this. The remains of huge animals gathered in the ancient alluvium of the Seine and Somme, as determined by MM. Larted and Gaudry, demonstrate that many species
