Is obliged for his list of James Dunlop. Has been reading JH's memoir of Francis Baily. Comments on this.

Received the enclosed silver plate on which is an impression made by the moon; has he any comments. Has been experimenting with solution of bichromate of potash and sulphate of copper exposed to actinic influence. Has been giving his attention to ferrotypes recently.

As secretary of Wernerian Club, CM requests information from JH on atmospheres of moon and planets.

Requests information on behalf of the Magnetic and Meteorological Committee of the B.A.A.S. Desires AQ's assessment of past achievements by 1845-3-10. Lists works to be forwarded before end of year.

Requests AD's views on the benefits deriving from the worldwide system of magnetic and meteorological observatories. Various publications coming from these observations will be sent to AD.

[Writing as an addendum to a letter on magnetic observatories circulated by Edward Sabine], JH states that various publication concerning magnetic observations will be sent to CG.

A copy of the question circular, signed by JH, sent to GA [see GA's 1844-12-17].

Sends 30 copies of JH's letters by coach. Will charge to the B.A.A.S. account.

Querying two statements of JH in his memoir of Francis Baily. Gives details of Thomas Henderson's position at Edinburgh.

Requests papers relative to a preface to the catalogue of [N. L.] Lacaille's stars, so that the catalogue may be printed.

Sent out copies of JH's remarks on Toronto actinometer. Expects that observations recommended by JH will be made next summer. Replacement for J. H. Kay's broken actinometer will arrive [in Tasmania] next June. Possible remedies to declination readings.

Is grateful for his interest. Met the Trustees who promised to apply to the government for a grant of £1000 to assist his work.

Magnetic questions have been sent to foreign observers but not the British. Why?

A note of acknowledgment for receipt of books, which JH has forwarded.

Council of the R.A.S. have decided to print 250 extra copies of the Memoir of Francis Baily. How many would JH like and how shall he send them?

Sending the note for JH's son on how to decimalize fractions of a pound. JH's memoir has gone to press. Would like details of JH's work on the Southern stars for the Annual Report.

Has forwarded some of the late Professor Thomas Henderson's manuscripts to JH. An application may be made to the Government for a pension for the daughter. The books are to be sold and he will send a catalogue.

Mostly news of JH's family; JH inquires as to the state of health of JL's mother.

J. F. Daniell informs JL that the table was calculated by William Galbraith. James Apjohn states everyone is in agreement that the absolute heat of steam is constant, but JL disagrees. Intends raising the matter of John Southern's experiments at the next meeting of the B.A.A.S.

Still working on his Cape observations.