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Germantown - Pa. Feb. 9^th 1857

Dear Sir -

I have recieved your favor of Jan. 31 - and shall
in due time have the snails you kindly sent through
D^r Leconte - I will delay mailing this until I have exam-
ined them.

I have sent by mail care of "Prairie Banner" as you
requested, a copy of my edition of Say's land shells. If
you do not receive it, let me know, and give me freely
the names of any freinds who may desire a copy. Some
papers sent to Boston for publication will follow the
pamphlet, when printed.

I rejoice at the prospect of so fine a chance to
become acquainted with our land shells as you will
have, and of bringing to light, without doubt, some
new species. The addition you will make to our
knowledge of geographical distribution will be of great
value to us. I hope you will call on me for any as-
sistance you may need ; you shall have it promptly -
my time is spent in studying out this subject, in
which I find still much to be done, notwithstanding the
labors of my father.

It will give me great pleasure to label any species
of which you may be in doubt. If your species are in
any way published, don't fail to give careful descriptions
of all of them. Local catalogues are often in error, and lead