Returns the account of Lord Rosse's telescope with many thanks. Weather has not been good for observations, but gives some observations on the comets.

Planning to edit a volume of hexameter verse translations. Wishes to include JH's translation of Friedrich Schiller's 'The Walk.'

Has been pursuing his magnetic experiments with crystals and will be publishing a memoir on them. Comments on these experiment. Is there a difference in the mass of the earth at the poles?

Describes conditions and instruments at Edinburgh Observatory. Observatory assistant Alexander Wallace works on reduction of Thomas Henderson's transit observations.

Sending a German translation of an unfinished work of HO. Regrets that so few people can read the Danish language. Is grateful for JH's papers.

JH's second letter has convinced him. Has now written a new conclusion to the chapter showing the principles of P. S. Laplace in a new light. Does not think Laplace's example is a fair type. Has already rewritten the chapter on the Doctrine of Chances.

Receives report on poor state of Paramatta Observatory. Encloses letter from Thomas Brisbane, who believes James Dunlop should be removed from his post of authority there.

Sends copy of James Graham's letter concerning transfer of Paramatta Observatory to government authority. Thanks JH for advice on the matter. Discusses methods of magnitude estimation.

Smith, Elder & Co. received JH's revised proofs. Encloses page of 'Reduced Observations' for JH's approval. Details of printing process.

Giving days on which the Council could be called. Who shall be president of Section 'A'. Could JH think of suitable persons for Chairmen and Secretaries? Sir J. Richardson is on the spot and will be president of the zoologists.

Gives JH directions to Kew Observatory.