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American Association for the Advancement of Science.
Office of the Permanent Secretary

[?] [?] Putnam, Permanent Secretary
[sic.]

Boston [sic.], Mass., [May?] 10, 1880

Dear Sir

I enclose receipt for
[Catalogue?] assessment.
Prof. [?] was at
[illegible] and he has
given his signature
to the [blank?] you [can?]
[closest?].

Respectfuly
[?]