* * * * *
There is to be held in Paris this year, from the 1st to the 22d of July,
an insect exhibition, organized by the Central Society of Agriculture
and Insectology. It will include (1) useful insects; (2) their products,
raw, and in the first transformations; (3) apparatus and instruments
used in the preparation of these products; (4) injurious insects and
the various processes for destroying them; (5) everything relating to
insectology.
* * * * *
A catalogue, containing brief notices of many important scientific
papers heretofore published in the SUPPLEMENT, may be had gratis at this
office.
* * * * *
THE SCIENTIFIC AMERICAN SUPPLEMENT.
PUBLISHED WEEKLY.
TERMS OF SUBSCRIPTION, $5 A YEAR.
Sent by mail, postage prepaid, to subscribers in any part of the United
States or Canada. Six dollars a year, sent, prepaid, to any foreign
country.
All the back numbers of THE SUPPLEMENT, from the commencement, January
1, 1876, can be had. Price, 10 cents each.
All the back volumes of THE SUPPLEMENT can likewise be supplied.
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