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[circled] 20

then, on the other hand, it can not cost
us, much, if any, less than one dollar
per day, to keep you in Chicago, - and
the purpose, for which you are there,
can alone justify the expense, just
now, when we are so greatly embar-
=rassed, if not harrassed for mo-
=ney.

I would, therefore, counsel thus,
attend all the lectures, that you can;
read up, when you must, to keep up
with the course – so as not to
leave any links open, or breaks in
the course of demonstrations. But
do not attempt to learn every thing[double underline]
this winter. Get as much general
knowledge as you can – Get fair-
=ly started off, and now, and leave
the minutiae – the theorizing, and
all the little technical particulars,
until next course.

Do this, and then you may be able
to devote a certain number of eve-
nings – each week – to your
Natural History subject – Say,
Saturday and Sunday, or Friday
Saturday and Sunday evenings