Tertiary Frogs from Central Europe

Remains of fossil frogs, elsewhere scarce, have been found abundantly for more than one hundred and twenty five years in the Tertiary deposits in northern and western Bohemia. In most cases they are imprints of complete skeletons or their parts poorly preserved in carbonaceous claystones, and difficult to interpret. A new locality of Tertiary diatomites that has been discovered in 1950 in northern...