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Sends a copy of RG's History of Physical Astronomy as a token of his admiration for JH's work.
Thanks RG for a copy of the History of Physical Astronomy; comments on the behavior of cometary tails.
Sending a table of variable stars. Appears to have seen the new planet [Psyche] on 29 Jan.
Takes the earliest opportunity of announcing the discovery of a new planet [Melpomene]. Gives readings.
Regrets the trouble JH has been caused, but it was due to the non-arrival of his letter. Cannot claim fellowship of the R.S.L. as he did not attend any of the meetings following his election. Gives a list of his planetary discoveries.
Has found another planet [Fortuna]; gives readings. Finds that the famous eclipse of Thales took place in 585 B.C., not 610 B.C., as stated by Francis Baily and Mr. Altmann.
Angelo Secchi has found the second head of Biela's comet. Gives the elements of J. R. Hind's last planet (Fortuna).
Has discovered a seventh planet [Kalliope]. Gives readings.