1885 June 8 Incident No. 2 in the History of Trinity Athenaeum. 
                College, Cambridge.

1885 Nov. 26 Results deduced from the Measure of Phil.  Trans. 
                Terrestrial Magnetic Force in the Horizontal
                Plane, at the Royal Observatory, Greenwich,
                from 1841 to 1876.

1886 Apr. 6 Integer Members of the First Centenary Nature.
                satisfying the Equation
                A squared = B squared + C squared.

1887 Feb. 12 On the earlier Tripos of the University of Nature. (?)
                Cambridge:  in MSS.

1887 Apr. 14 On the Establishment of the Roman Dominion Nature.
                in South-East Britain.

1887 July 23 On a special Algebraic function, and its Camb.  Phil.  Soc.
                application to the solution of (?)
                some Equations:  in MSS.

BOOKS WRITTEN BY G. B. AIRY.

Mathematical Tracts on Physical Astronomy, the Figure of the Earth, Precession and Nutation, and The Calculus of Variations.  This was published in 1826.  In a 2nd Edition published in 1831 the Undulatory Theory of Optics was added to the above list.  Four Editions of this work have been published, the last in 1858.  The Undulatory Theory of Optics was published separately in 1877.

Gravitation:  an Elementary Explanation of the Principal Perturbations in the Solar System.  Written for the Penny Cyclopaedia, and published previously as a book in 1834.  There was a 2nd Edition in 1884.

Trigonometry.  This was written for the Encyclopaedia Metropolitana about 1825, and was published as a separate book in 1855 under the Title of “A Treatise on Trigonometry.”

Six Lectures on Astronomy delivered at the meetings of the friends of the Ipswich Museum at the Temperance Hall, Ipswich, in the month of March 1848.  These Lectures under the above Title, and that of “Popular Astronomy, a series of Lectures,” have run through twelve editions.

On the Algebraical and Numerical Theory of Errors of Observations and the Combination of Observations, 1st Edition in 1861, 2nd in 1875, 3rd in 1879.

Essays on the Invasion of Britain by Julius Caesar; The Invasion of Britain by Plautius, and by Claudius Caesar; The Early Military Policy of the Romans in Britain; The Battle of Hastings, with Correspondence.  Collected and printed for private distribution in 1865.

An Elementary Treatise on Partial Differential Equations. 1866.

On Sound and Atmospheric Vibrations, with the Mathematical Elements of Music.  The 1st Edition in 1868, the 2nd in 1871.

A Treatise on Magnetism, published in 1870.

Notes on the Earlier Hebrew Scriptures, published in 1876.

Numerical Lunar Theory, published in 1886.

INDEX.