merckii have been found in the lower alluvial beds at Abbeville. Of the fauna of the period no less than seven species are extinct, viz.,—the two early elephants, cave-bear, cave-hyæna, Machairodus, Rhinoceros merckii, and Trogonthérium.
Fig. 11.—Last Molar but one, lower jaw, right side, of the three principal elephants of antiquity. 1. Elephas primigenius (Mammoth). 2. E, antiquus. 3. E. meridionalis (after Ad. de Mortillet. (All 18 natural size.)
The hippopotamus, though not extinct, also disappeared from Europe. All these animals required a warm, moist climate. Human bones have not, to my knowledge, been found in deposits of the Chelléen epoch, but the flint implements are sufficient evidence that man lived at that time in Central Europe. The coup-de-poing, which was almost the sole