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May [illegible]^d/57
Spring Garden P.O.
Philada

Robert. K.

Having learnt while
in Chicago last that you either
was (or was a Candidate for) a
Professor of Zoology, which
is all well enough if you
are ambitious for that branch
of knowledge. The thought
occurred to me, whether
as a part of that Professorship
it was proper for you to be
able to explain not only
the Phisical formation and
structure of Insects. Birds
and Animals but also whether
there was not a higher and
more usefull explanation
demanded of you as a