the small difference which now exists between
the use of Wood and Iron, that in many cases the latter would be
adopted. We shall be pleased to furnish estimates for all the Beams
complete, for any specific structure, so that the difference in cost
may at once be ascertained. Address

CARNEGIE, BROS. & CO., Pittsburgh, Pa.

* * * * *

ARSENIC IN THE ARTS.--A Lecture before the Medical Association of
Central New York. By S.A. Lattimore, LL.D., Professor of Chemistry in
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MESSRS. B. DAMBACHER & CO., Hamburg, Germany dealers in American
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A GIFT By an arrangement with the Publisher we will send every reader
of this Paper a sample package of Transfer Pictures free. Send 3c.
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