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of it or not I cannot now say.

I hope for much through your kindness
and liberality, I want first to work up
all of our Libellulidae much of which
I have already done, and then go at the
other families of the Neuroptera in order,
that I may be able to do this before long
it is necessary that I shall have ^all the species
as soon as possible.

I hope through the favor you have shown
me, to be able to give the university all
that can be done in the field in which
I labor.

Your circular will doubtless be very
interesting I shall be obliged to you for
its reciept.

With regard to Libellulidae I would ask
you please ^to note the sexes particularly,
the males and females generally differ so
much in coloring that without noticing
them particularly great mistakes may
be made; the male may at all times
be known by the prominence of the sexual