14 H ALDAN E G'EE—Hefny Wilde 



" On the Causes of the Phenomena of Terrestrial Magnetism, and on some 

 Electro-mechanism for exhibiting the Secular Changes in his horizontal 

 and vertical Components." Noy. Sor. Proc, 19 June, 1890. (Complete 

 paper was private/y printed. ) 



■" On the unsymmetrical Distribution of Terrestrial iMagnelism." Roy. Soc. 

 Proc, 12 January, 1891. 



■*' On the Influence of Temperature upon the Magnetisation of Iron and 

 other Magnetic Substances." Roy. Soc. Proc, li June, 1891. 



*' On the Influence of the Configuration and Direction of Coast Lines upon 

 the Rate and Range of the Secular iMagnctic Declination." Memoirs, 

 vol. 38, 1S94. 



^' On the Relations of the Secular Variation of the Magnetic Declination and 

 Inclination at London, Cape of Good Hope, St. Helena, and Ascen- 

 sion Island, as exhibited on the JMagnetarium." Roy. Soc. Proc, 

 I March, 1894. 



" On a Magnetometer for showing the Influence of Temperature on the Mag- 

 netisation of Iron and other Magnetic Substances." Alemoirs, vol. 39, 

 1895. 



■*' On the Multiple Proportion of the Atomic Weights of Elementary Sub- 

 stances in relation to the Unit of Hydrogen." Memoirs, vol. 39, 1895. 



" On the Evidence Afforded by Bode's Law of a permanent Contraction of 

 the Radii Vectores of the Planetary Orbits." J/ewoirj, vol. 39, 1895. 



^' On Helium and its Place in the Classification of Elementary Subs,tances." 

 Memoirs, vol. 40, 1896. PJiil. Mag., November, 1895. 



" On the indefinite quantative Relations of the Physical and Chemical Forces." 

 Me?7ioirs, vol. 40, i8q6. 



" On the Spectrum of Thallium and its Relation to the Homologous Spectra 

 of Indium and Gallium." Roy. Soc Proc, vol. 43, 20 April. 1803. 



" On Aerial Locomotion." Me»ioirs, vol. 44, 1900. 



" On the Evolution of the JMental P'aculties in relation to some fundamental 

 Principles of Motion (the Wilde Lecture)." Memoirs, vol. 46, 1902. 



" On the Atomic Weight of Radium and 01 her Elementary Substances." Phil. 

 Mag., November, 1895. 



■" On the Atomic Weights and Classificition of the Elementary Gases, Neon, Argon, 

 Krypton, and Xenon." Memoirs, vol. 46, 1902. 



" On the Resolution of Elementary Substances into their Ultimatcs and on 

 the Spontaneous Molecular Activity of Radium." Memoirs, vol. 48, 

 1903. 



" On some Points of Chemical Philosophy involved in the Discovery ;of 

 Radium and the Properties of its Combinations." Memoirs, vol. 51, 

 1907. 



" On the Atomic Weight of Radium." Memoirs, vol. ^2, 1907. 



" On the Moving Force of Terrestrial and Celestial Bodies in relation to the 

 Attraction of Gravitation." Memoirs, vol. 53, 1909. Phil. .Mag., 

 October, 1909. 



" On a new Binary Progression of the Planetary Distances, and on the Muta- 

 bility of the Solar System." Memoirs, vol. 54, 1909. Pliii. Mag., 

 April, 1910. 



" On Celestial Ejectnmcnta: The first Ilalley Lecture, delivered before the 

 University of Oxford in May, 1910." Clareniion Press, Oxford. 1910. 



" On the Origin of Cometary Bodies and Saturn's Rings." Memoirs, vol. 55, 

 1910. Phil. Mag., November, 1911. 



"On the Periodic Times of Saturn's Rings." Memoirs, vol. 55. 191 1. PJiil. 

 Mag., November, 191 1. 



"On Search Lights for the Mercantile Marine." Memoirs, vol. 56, 1912. 



"On Search Lights and the 'Titanic' Disaster." Memoirs, vol. ^7. 1913. 



" On some new multiple Relations of the Atomic Weights of Elementary 

 Substances; and on the Classification and Transformations of Neon 

 and Helium." Me))ioirs, vol. 57, 1913. Phil. Mag., October, 1913 



* The word " Memoirs" refers to those of the Manchester Literary and Philosophica' Society. 



