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ton, Ohio, and are described in a pamphlet published by Dr. L. B. Welch and J. M. Richardson (Wilmington, 1879).

[[underline]]Accession Number 16484[[/underline]]
[[underline]]Frank Burns, U. S. Geological Survey.[[/underline]]-A pestle and a disc-shaped natural formation from Blount County, a polishing stone (?) from St. Clair County, an arrow-head from Lauderdale County, and a sinker (?) or tally-stone (?) from Etowah County, Alabama, 5 specimens.

[[underline]]Accession Number 16480.[[/underline]]
[[underline]]John B. Wiggins, Chula Amelia County, Virginia.[[/underline]]- Earth and charcoal containing pieces of mica, and a fragment of the stone constituting the material of the mauls used in obtaining mica by aboriginal workmen. I take following from the letter of Mr. Wiggins. "On examination I find that for acres around the 'John McCormick Mine,' Amelia County, Virginia, the ground has been dug over and the surface mica extracted.

The method employed in breaking the large quartz rocks containing mica, was by building fires and heating them_ afterwards using heavy mauls made of the same material as the fragment of stone enclosed. I beg to say that the early workers of these mines labored under great difficulties in obtaining the mica, and it must have been very highly prized by them."

[[underline]]Accession Number 15787[[/underline]]
[[underline]]B. F. Harrison, Shepherdstown, Jefferson County, West Virginia.[[/underline]]-