[Footnote 3: From _Social Life in the Insect World_, translated by
Bernard Miall, Chapter XVIII. The Century Company, New York, 1913.]

[Footnote 4: This classification is now superseded; the Pea and Bee
Weevils--_Bruchus pisi_ and _Bruchus lenti_--are classed as Bruchidae,
in the series of Phytophaga. Most of the other weevils are classed as
Curculionidae, series Rhyncophora.--(Trans.)]




THE EXPOSITION OF A MANUFACTURING PROCESS

MODERN PAPER-MAKING[5]

_J.W. Butler Paper Company_


Though the steady march of progress and invention has given to the
modern paper-maker marvelous machines by which the output is increased a
thousandfold over that of the old, slow methods, he still has many of
the same difficulties to overcome that confronted his predecessor. While
the use of wood pulp has greatly changed the conditions as regards the
cheaper grades of this staple, the ragman is to-day almost as important
to the manufacturer of the higher grades as he was one hundred years ago
when the saving of rags was inculcated as a domestic virtue and a
patriotic duty. Methods have changed, but the material remains the same.
In a complete modern mill making writing and other high-grade papers,
the process begins with unsightly rags as the material from which to