1. Names of Authors. 409 



Sedgwick, Prof., On some Trap Dykes in Yorkshire and Durham : May 20, 

 1822 ; 11. 21—44. 



On the Association of Trap Eocks with Mountain Limestone in Tees- 



Dale : May 12, 1823 ; March 1, 15, 1824 ; ii. 139—195. 



Note on a memoir by Dr Brodie on Land and Freshwater Shells, &c. : 



Apr. 30, 1838; viii. 139—140. 



Smith, Archibald, On the Equation to Fresnel's Wave-Surface : May 18, 1835 ; 

 VI. 85—89. 



Spilsburt, F. G., On the Magnetism evolved by a single Galvanic combina- 

 tion, &c., &c. : Nov. 25, 1822; ii. 77—83. 



Stephens, J. F., Description of Chiasognathus Grantii, a Lucanideous Insect : 

 May 16, 1831 ; iv. 209—216. 



Stokes, Prof. G. G., On the Steady Motion of Incompressible Fluids : Apr. 25, 

 1842; vii. 439— 453. 



Memoir on some cases of Fluid Motion : May 29, 1843; viii. 105 — 137. 



Supplement to this memoir: Nov. 3, 1846; viii. 409 — 414. 



On the Internal Friction of Fluids in Motion : and the Equilibrium and 



Motion of Elastic Solids: Apr. 14, 1845; viii. 287—319. 



On the Theory of Oscillatory Waves: March 1, 1847; viii. 441 — 455. 



On the Critical Value of the Sums of Periodic Series : Dec. 6, 1847 ; vill. 



533—583. 



On the central Spot of Newton's Rings: Dec. 11, 1848; viii. 642—658. 



On the Variation of Gi'avity at the Earth's Surface : Apr. 23, 1849; viii. 



672—695. 

 — — On an Equation relating to the breaking of Eailway Bridges : May 21, 

 1849 ; VIII. 707—735. 



On the Dynamical Theory of Diffraction : Nov. 26, 1849; ix. 1—62. 



On the numerical Calculation of a class of Definite Integrals and Infinite 



Series: March 11, 1850; ix. 166—187. 



On the effect of the Internal Friction of Fluids on the motion of Pen- 



dulums: Dec. 9, 1850; ix. pt. ii. 8—106. 



On the Colom-s of Thick Plates : May 19, 1851 ; ix. pt. ii. 147—176. 



On the Composition and Resolution of Streams of Polarized Light from 



different sources: Feb. 16, March 15, 1852; ix. 399—416. 



On the Discontinuity of Arbitrary Constants in Divergent Developments : 



May 11, 1857; x. 105—128. 



Supplement to the same memoir: May 25, 1868; xi. 412 — 425. 



Thompson, Prof. W. H., On the genuineness of the Sophista of Plato, and on 



some of its philosophic bearings: Nov. 23, 1857; x. 146 — 165. 

 ToDHUNTEB, I., On the Method of Least Squares: May 29, 1865; xi. 219 

 —238. 



On the Ai'c of the Meridian measured in Lapland: May 1, 1871; xil. 



1—26. 



On the eqiiation determining the form of the strata in Legendre's and 



Laplace's Theory of the Figure of the Earth: Oct. 16, 1871; xil. 

 301—318. 



