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On behalf of the Astronomical Society, JH thanks JD for a copy of JD's Histoire de l'astronomie moderne. JH tells JD about an interesting Arabic manuscript relating to the history of astronomy at Cambridge University, which JH will have copied for JD. In a postscript dated 15 June, JH apologizes for problems encountered in shipping printed material to JD.
Thanks him on behalf of the Astronomical Society for his Histoire de l'astronomie moderne. Gives details of a paper on Arabic manuscripts in the Cambridge Philosophical Transactions. Have D. F. J. Arago and J. N. Nicollet received his letter?
Announces election of JD as associate member of the Astronomical Society. [In a postscript,] JH states that the Society's prize for next year will be on the theory of the motions of Saturn's satellites.