412 Index to Transactions I — XII. 



Antithesis, Fundamental, of Philosophy : Feb. 5, 1844; viii. 170 — 181. 



Second memoir : Nov. 13, 1848; viii. 614—620. 



Apophyllite, Refraction in Eays from : May 7, 1821 ; i. 241 — 247. 

 Apsides of Orbits of Great Excentricity : April 17, 1820; i. 179—191. 

 Arbitrary Constants, Discontinuity of, &c.: May 11, 1857; x. 105 — 128. 



Ditto, Ditto, Supplement to this memoir : May 25, 1868 ; si. 412 — 425. 



Arch, Equilibrium of the : Dec. 9, 1833; v. 293—313. 



Argument, Use and meaning of the word: Nov. 28, 1859; x. 317 — 326. 

 Aristotle's account of Induction : Feb. 11, 1850; ix. 63^72. 

 Atmospheric temperature. Decrement of: Feb. 13, 1837; vi. 443 — 455. 

 Attraction, Residuo-Capillary : March 7, 1834; v. 205—229. 

 Attractions of Ellipsoids, Determination of: May 6, 1833; v. 395—429. 

 Aurora Borealis, Height of : Dec. 8, 1845 ; viii. 320—325. 



of Nov. 17, 1848: Nov. 27, 1848; viii. 621—632. 



Axes, Moveable, On Velocities, &c., &c., relative to : Feb. 25, 1856 ; x. 1 — 20. 



Barometer, Extraordinary Depression of: Feb. 25, 1822; i. 453 — 458. 

 Beams and Elastic Eods, Theory of : Apr. 23, 1860 ; x. 359—373. 

 Beaver, Fossil Remains of: March 6, 1820; i. 175 — 177. 

 Bernouilli's Numbers, Tables of, &c., &c. : May 29, 1871 ; xii. 384—391. 

 Biliary Secretion, Nature of : March 6, 1843 ; viii. 44 — 49. 

 Bivalve, see Univalve. 



Bode's Law, Extension of, to Satellites : Dec. 8, 1828; iii. 171—183. 

 Boltzmann, see Material points. 



Boracic Acid, on the Crystals of: Nov. 30, 1829; in. 365—367. 

 Brachiopod, see Univalve. 



Brazilian Topaz, Colour, Structure and Optical Properties of : May 6, 1822 ; 

 II. 1—9. 



Calculus of Functions, Notation employed in: May 1, 1820; i. 63 — 76. 



Human, specimen of: Nov. 26, 1821; i. 347—349. 



Cambridgeshire, On the Ornithology of : Nov. 28, 1825 ; ii. 287—324. 



List of Reptiles found in: Feb. 22, 1830; iii. 373—381. 



Cassius, Constituents of Purple Precipitate of: May 15, 1820; i. 53 — 61. 

 Cause and Effect, simultaneous or successive : March 14, 1842; vii. 319 — 331. 

 Caustic, Intensity of Light near : May 2, 1836, March 26, 1838; vi. 379—402. 



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



Chances, Some points in the Theory of: May 26, 1828; iii. 141 — 154. 

 Chiasognathus Grantii, Description of: May 16, 1831; iv. 209—217. 



Clock Escapements: Nov. 27, 1848; viii. 633—638. 



Improvements in : Feb. 7, 1853; ix. 417—430. 



Turret Remontoirs: Feb. 26, 1849; viii. 639—641. 



Colours of Thick Plates : May 19, 1851 ; ix. [147—176.] 

 Combinations and Permutations : March 1, 1847 ; viii. 471 — 492. 

 Comet, Observations of Halle/s: Dec. 11, 1837; vi. 493—506. 

 Composition of Forces, General Principles of: March 14, 1859; x. 290 — 304. 



