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Smithsonian Institution,
                         Washington, Nov. 18, 1861.


Dear Sir:
             I have, at last, the pleasure of ac-
-knowledging the arrival, a few days ago,
of Box K. of the number sent by you to this
Institution, for transmission to Europe.
Its contents will be forwarded with the first
packages we have occasion to make up
for foreign countries.
                         I am,
                             Very [Respy.?]
                                   Your [obed. servt.?]
                                        Joseph Henry
                                        Secretary S. I.
Col. J. D. Graham,
Chicago, Ill.