LETTER OF TRANSMITTAL.

STANFORD UNIVERSITY, CALIFORNIA,
DEPARTMENT OF GEOLOGY,
January 6, 1896.

SIR: I have the honor to transmit to you herewith the manuscript of a Bibliography of Clays and the Ceramic Arts, in the hope that you will find it worthy of publication as a bulletin of the United States Geological Survey.

Very respectfully,

Hon. CHARLES D. WALCOTT,

Director United States Geological Survey.

J. C. BRANNER.

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