II. Index of Subjects. 413 



Conic Section, Focus of: March. 2, 1829; iir. 185—190. 



Consonances, Beats of Imperfect : Nov. 9, 1857 ; x. 129 — 145. 



Continuity, Principle of, with reference to Analysis: Dec. 7, 1846; viil. 



429—440. 

 Co-ordinates, Six of a Line : Nov. 11, 1867 ; xi. 290—323. 



Curvilinear and Normal : May 22, 1876 ; xii. 455 — 522. 



Ditto, Ditto, May 7, 1877; XII. 531— 545. 



Copper, Analysis of Phosphate of : March 5, 1821 ; i. 203—207. 

 Cornwall, Fossil Shells: Feb. 16, 1838; vi. 415—422. 



Lizard District of: Apr, 2, May 7, 1821 ; i. 291—330. 



Primitive Ridge of: March 20, 1820; i. 89—146. 



Crotalocrinus rugosus : Feb. 8, 1869; xi. 481 — 484. 



Crystalline Combinations, on their Classification, Nov. 13, 1826 ; ii. 391 — 425. 



Crystallization of Water: March 5, 1821; i. 209—215. 



Crystallized Media, Propagation of Light in : May 20, 1839 ; vii. 121—140. 



Ditto, Transmission of Light in : Feb. 13, 1837 ; vi. 323—352. 



Ditto, Supplement: May 1, 1837; vi. 353—360. 



Crystals, Axes of Optical Elasticity in certain : Dec. 8, 1834; v. 431 — 438. 



Position of Axes of Optical Elasticity in : March 21, 1836 ; vii. 209—215. 



Planes of, on a Notation to designate : Feb. 11, 1826; ii. 427 — 439. 



as affecting Planes of Polarization : Apr. 17, 1820; I. 43 — 52. 



found in Slags: May 22, 1830; iii. 417—420. 



Variation in Tints developed by : May 1, 1820; i. 21—41. 



Cubic Cones and Curves: Apr. 18, 1864; xi. 129 — 144. 



Cubic Curves, Involution of: Feb. 22, 1864; xi. 39—80. 



Classification of: Apr. 18, 1864; xi. 81—128. 



Sm-face, with 27 lines, by Dr Wiener : May 15, 1871 ; xii. 366—383. 



Curve, Intrinsic Equation to : Feb. 12, 1849 ; viii. 659—671. 



Second memoir: Apr. 15, 1850; ix. 150 — 156. 



Rolling : Dec, 10, 1838 ; vii. 61—86. 



of the Second Degree, General Equation to: Nov. 15, 1830; iv. 71 — 78. 



Singular points of: May 21, 1855; ix. 608—627. 



Cyclas and Pisidium, on the British Species of: Nov. 28, 1831 ; iv. 289 — 312. 

 Cylindrical Tubes, Aerial Vibrations in : May 20, 1833 ; v. 231—270. 



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

 Definite Integrals, Inverse method of, with applications: March 5, 1832; iv. 

 353—408. 



Ditto, Ditto, Ditto, Nov. 11, 1833; v. 113— 148. 



Ditto, Ditto, Ditto, March 2, 1835 ; v. 315—393. 



Numerical calculation of: March 11, 1850; ix. 166 — 187. 



Properties of: May 24, 1830; in. 429—443. 



Determinants, Theory of: Feb. 20, 1843; viii. 75—88. 

 Devonshire, Primitive Ridge of: Mar. 20, 1820; i. 89—146. 

 Differential Equations, Theory of: March 27, 1854; ix. 515—554. 



Supplement to this paper : Apr. 28, 1856 ; x. 21 — 26. 



