Received notice to transfer one-fifth of funds from [Mary Anne Babbage's] 1823 marriage settlement to W. H. B. Hollier.

Poses mathematical problems for 'polar equations of conic sections.'

Finds no experimental evidence connecting index of capillary action to index of refraction.

Departure of J. C. Ross for Antarctic expedition is approaching. Hopes that Admiralty will soon authorize R.S.L. to assist Ross in preparing instruments and coordinating global observations.

Will send two photometers and three-year supply of paper to [?]. One goes to J. C. Ross and one to F. Eardley Wilmot at Cape of Good Hope. Instructions for using photometers. Hopes [?] Robinson forwarded actinometers to Woolwich as JH directed. These should be checked at St. Helena. Instruction for using actinometers. Sent report to Humphrey Lloyd at B.A.A.S. Returns [?]'s Daguerre newspaper containing 'impudent notice about M. Pambour and his great Wheels.'

Replies to [?]'s questions about 'Mr. Bethune's suggestions' concerning terminology to be used for standards of weight and measure. Agrees with G. B. Airy that term 'land' should be used with 'land chain' unit.

[Form letter] Asks recipients to consider value of magnetical research supported by British government and submit opinions on whether B.A.A.S. should seek continuation of this support after present agreement with government expires at end of 1845.

JH's opinions about disruptive effect of tremors on observatory if proposed railway tunnel is built under Greenwich Park. Proposes method for adjusting train schedule to reduce interference with observations.

Approves of [?]'s memorial to Treasury, but returns it to [?] for minor corrections before forwarding it.

Just received [?]'s letter, but believes it was written before JH visited [?] today. Assumes that all points in letter were answered at meeting.

JH must know if [?] accepts or declines new arrangements for [?]'s office, already approved by Treasury commissioners.

Has reconsidered and dismissed JH's previous plan. Will explain reason to [?] in person later today. Please change wording in document regarding Master's salary.

Must meet Lord Charles [?] this morning. Cannot join [?] and C. E. Trevelyan at Downing Street. Will try to see Charles Fremantle today.

C. E. Trevelyan reports that W. E. Gladstone agreed to 'subject of our conversation yesterday.' Does [?] still want to meet with JH at Treasury chambers today?

Arranges to meet [?] at JH's residence tomorrow to discuss business.

Measures indicated in annexed document are absolutely necessary in present circumstances.

Embarrassed that JH's servant sent away messenger who brought papers for JH's signature. Does not consider Mint to be bound by Ralph Heaton's terms for copper coinage. JH prefers contract with Heaton similar to former contract with Boulton & Watt. Dies should be supplied by Mint, not made by contractor.

Returns [?]'s letter, dated January, for correction. Believes that [?] intended it to be dated February.

JH paid salary for Mr. Watt from 22 June. 1853 to 17 Feb. 1854, when Watt was officially assigned to Sydney branch mint. Mr. Hill will replace Mr. Julyan, who was recalled from Birmingham to Commissary Department on 10 Feb. 1854. Mr. Nash will take Mr. Hill's duties as senior clerk in Mint office and senior officer in charge of dies.

Formal testimonial to competence of J. L. Drury, temporary clerk in Mint office and melting department since 31 Jan. 1853.