+—-—-—-—-—-+—-—-—-—-—-—-+—-—-—-—-—-—-—--+—-—-—-—-—-—-—-+ | Geological | Geological | Characteristic | Human Industry. | | Divisions. | Conditions | Animals. | | | | and Formations. | | | +—-—-—-—-—-+—-—-—-—-—-—-+—-—-—-—-—-—-—--+—-—-—-—-—-—-—-+ | | | | | | QUATERNARY. | | | PERIOD OF METALS. | | { | Recent alluvium, | The present species. | | | { PRESENT. | peat-bogs. | Domesticated animals.| Age of iron. | | { | Climate closely | | Age of bronze. | | { | similar to | | Age of copper. | | { | the present. | | | | { | | | NEOLITHIC PERIOD, | | { | | | or period of | | { | | | polished stone. | | { | | | | | { | Transitional Deposits—Red Deer, Beaver.| Transitional | | { | | | Industry | | { | | | (AZILIAN). | | { PLEISTOCENE | | | | | { { {| Upper layers of |EPOCH OF THE REINDEER.| PALÆOLITHIC PERIOD, | | { { {| cavern deposits.| | OR, PERIOD OF | | { { {| Upper part of | | CHIPPED FLINTS. | | { { {| the loess of the| | { | | { { {| Rhine. Climate | Reindeer, Bison, | { | | { { {| cold and dry; | Horse, Saiga | { MAGDALENIAN. | | { { {| conditions like | antelope, wolf, | { | | { { UPPER. {| those of the | fauna of the | { Sculptures, | | { { {| “steppes” of | steppes. | { engravings, and | | { { {| Tartary and | | { paintings: small | | { { {| Russia. | | { and very varied | | { { {| | | { chipped flints. | | { { {| | | { CROMAGNARD RACE. | | { { {| | | { | | { {—-—-—--+—-—-—-—-—-—-+—-—-—-—-—-—-—--+-{—-—-—-—-—-—--+ | { { {| Deposits formed | EPOCH OF THE MAMMOTH.| { MOUSTIERIAN. | | { { {| by the filling | | { | | { { {| of caverns.