Mammalia in interglacial deposits

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Mammalia in interglacial deposits.

May I be permitted to ask aid from some American contributor to Science who follows the lore of glacial geology? I learn that some American glacialists are satisfied that there have been two periods of glaciation, and I would inquire whether the interglacial deposits contain, like those of Switzerland, remains of mammalia, and if so, what they are. Any reference to American evidence on these points would oblige

W. S. Symonds.

The Camp, Sunningdale, Eng., Feb 27.

This work was published before January 1, 1923, and is in the public domain worldwide because the author died at least 100 years ago.