questing that Sir John Herschel, Prof. Malden, Mr Lowe
(subsequently Chancellor of the Exchequer), and I would select
professors. We had a great deal of correspondence, meetings,
examination of testimonials, &c., and on August 14th we agreed on
Wilson, Rowe, McCoy, and Hearn.--On Feb. 17th I received the Prussian
Order of Merit.--I had correspondence with the Treasury on the scale
to be adopted for the Maps of the British Survey. I proposed 1/3000,
and for some purposes 1/600.--I printed a Paper on the Deluge, in
which I shewed (I believe to certainty) that the Deluge of Genesis was
merely a Destructive Flood of the Nile.--Being well acquainted with
the mountains of Cumberland, I had remarked that a 'man' or cairn of
stones erected by the Ordnance Surveyors on the Great Gable had
covered up a curious natural stone trough, known as one of the
remarkable singularities of the country. This year, without giving any
notice to the Ordnance Surveyors, I sent two wallers from Borrowdale
to the mountain top, to remove the 'man' about 10 feet and expose the
trough. Sir Henry James afterwards approved of my act, and refunded
the expense.--I investigated the optical condition of an eye with
conical cornea.

"The Harton Colliery Experiment: I had long wished to repeat the
experiment which I had attempted unsuccessfully in 1826 and 1828, of
determining by pendulum-vibrations the measure of gravity at the
bottom of a mine. Residing near Keswick this summer, and having the
matter in my mind, I availed myself of an introduction from Dr Leitch
to some gentlemen at South Shields, for inspection of the Harton
Colliery. I judged that it would answer pretty well. I find that on
Aug. 11th I wrote to Mr Anderson (lessee of the mine), and on the same
day to the Admiralty requesting authority to employ a Greenwich
Assistant, and requesting _L100_ for part payment of expenses. On
August 16th the Admiralty assent. There were many preparations to be
made, both personal and instrumental. My party consisted of Dunkin
(Superintendant), Ellis, Criswick, Simmons, Pogson, and Ruemker: I did
not myself attend the detail of observations. The observations began
on Oct. 2nd and ended on Oct. 21st: supplementary observations were
subsequently made at Greenwich for examining the coefficient of
temperature-correction. On Oct. 24th I gave a Lecture at South Shields
on the whole operation. In 'Punch' of Nov. 18th there was an excellent
semi-comic account of the