400 Index to Transactions I — XII. 



Airy, Sir G. B., On the Longitude of Cambridge Observatory : Nov. 24, 1828 ; 

 III. 155—170. 



On a means of correcting the length of a Penduhim by a Ball suspended 



by Wire : Nov. 16, 1829 ; iii. 355—360. 



On the conditions under which Perpetual Motion is possible : Dec. 14, 



1829 ; III. 369—372. 



On the Nature of the Light in the two Bays produced by the Double 



Befraction of Quartz : Feb. 21, 1831 ; iv. 79—123. 



Addition to this memoir : Apr. 18, 1831 ; iv. 199 — 208. 



On a remarkable modification of Newton's Bings : Nov. 14, 1831 ; iv. 



279—288. 



On a new Analyzer, and its use in Polarization: March 5, 1832; iv. 



313—322. 



On the phenomena of Newton's Bings with Substances of different re- 



fractive Powers : March 19, 1832 ; iv. 409 — 424. 



On a calculation of Newton's Experiments on Diifraction : May 7, 1833; 



V. 101—111. 



On the Latitude of Cambridge Observatory : Apr. 14, 1834 ; v. 271 — 281. 



On the Diffraction of an Object-Glass with circular aperture : Nov. 24, 



1834 ; V. 283—291. See Earnshaw. 



On the Intensity of Light in the neighbourhood of a Caustic : May 2, 



1836: March 26, 1838; vi. 379—402. 



On Triple Algebra: Oct. 28, 1844; viii. 241—254. 



Supplement to this memoir : May 8, 1848 ; viii. 595 — 599. 



On a new construction of the Going-Fusee: March 2, 1840; vii. 217 — 



225. 



On an Eye affected by a mal-formation : May 25, 1846 ; viii. 361 — 362. 



Further observations on the same : Feb. 12, 1872 ; xii. 392 — 393. 



On the substitution of Ordinary Geometry for the general Doctrine of 



Proportions: Dec. 7, 1857; x. 166 — 172. 



Suggestion of a Proof that every Equation has a Boot : Dec. 6, 1858 ; 



X. 283—289. 



Supplement to this memoir : Dec. 12, 1859 ; x. 327—330. 



On the factorial Besohition of the Trinomial x'^ - 2 cos na + — : Nov. 9, 



1868; XI. 426—443. 

 Akin, C. K., On the origin of Electricity: Dec. 7, 1863; xi. 6—20. 

 Alderson, Jas., On a Spermaceti Whale, stranded in Yorkshire : May 16, 1825 ; 



II. 253—266. 



On an Artificial formation of Plumbago: Feb. 21, 1825; ii. 441 — 443. 



Ansted, D. T., On some Fossil Multilocular Shells found in Cornwall : Feb. 



26, 1838 ; VI. 415—422. 



On a portion of the Tertiary Formations of Switzerland : May 20, 1839; 



VII. 141—152. 



On some Phenomena of the Weathering of Bocks: March 2, 1868; xi. 



387—395. 



