INDEX TO VOL. XIII. 



Abel (F. a.) on some phenomena ex- 

 hibited by gun-cotton and gmipowder 

 under special conditions of exposure to 

 heat, 204. 



Acid, hquid stannic and metastannic, on 



the preparation of, 340. 

 , hquid titanic, on the preparation of, 



340. 



, hquid tungstic, dialysis of, 340. 



, molybdic, decomposition of, 341. 



: , on a colloid, a normal constituent of 



human m'ine, 314. 



, siheic, and other analogous colloidal 



substances, on the properties of, 335. 



Acids derivable from the cyanides of the 

 oxy-radicals of the di- and tri-atomic 

 alcohols, 44. 



of the lactic series, notes of re- 

 searches on, 140. 



Admission of Fellows, 276, 278. 



Aerial tides, 329. 



Air-pump, description of a new merciu-ial, 

 321. 



Airy (Gr. B.), first analysis of 177 mag- 

 netic storms, registered by the magnetic 

 instruments in the Royal Observatory, 

 Greenwich, from 1841 to 1857, 48. 



Albumen, on organic substances artificially 

 formed from, 350. 



Alcogel, 337. 



Alcosol, 337. 



Algebraic equations, on the differential 

 equations which determine the form of 

 the roots of, 245. 



Ahzarine, 87, 150. 



Alkaloids, researches on isomeric, 303. 



Amyloid substance met with in the animal 

 economy, farther observations on, 317. 



Ansesthetics, effect of, upon blood, 159. 



Aniline-blue, on, 9. 



Anihne-yellow, on, 6. 



Anniversary Meeting, November 30, 1863, 

 21 ; November 30, 1864, 494. . 



Annual Meeting for election of Fellows, 

 June 2, 1864, 276. 



Arc of meridian, at Spitzbergen, on the 

 measurement of, 83. 



, preliminary survey for the measure- 

 ment of an, at Spitzbergen by the Swe- 

 dish Government, 551. 



Attraction, local, uncertainty occasioned 

 by, in the map of a country, 18, 253. 



Auckland (Earl of), letter from, concern- 

 ing Sir J. Soutli's experunents on the 

 vibrations occasioned by railway trains, 

 68. 



Barometer, description of an improved 



mercurial, 160. 

 Bayma (Rev. J.) on molecvilar mechanics, 



126. 



Beale (L. S.), new observations upon the 



minute anatomy of the papillge of the 



frog's tongue, 384, 

 , indications of the paths taken by 



the nerve- currents as they traverse the 



caudate nerve-cells of the spinal cord 



and encephalon, 386. 

 Berkeley (Rev. M. J.), Royal Medal 



awarded to, 35. 

 Bernard (C), elected foreign member, 277. 

 Bihverdin, on the supposed identity of, 



with chlorophyll, 144. 

 Binocular vision, on the normal motions 



of the human eye in relation to, 186. 

 Blood, on the influence of physical and 



chemical agents on, 157. 

 , on the reduction and oxidation of 



the colouring-matter of the, 355. 

 Blood-vessels, on the distal communication 



of the, with the lymphatics, 327. 

 Boole (G.) on the differential equations 



which determine the form of the roots 



of algebraic equations, 245. 

 Bruniquel, description of the cavern of, 



and its organic contents (Parti.), 277. 



Calculus of symbols, on the, (fourth me- 

 moir) 126, 423 5 fifth memoir, 227, 

 432. 



Candidates for election, list of, March 3, 

 1864, 153. 



, hst of selected, May 12, 1864, 228. 



Capello (Senlior) and Stewart (B.), results 

 of a comparison of certain traces pro- 

 duced simultaneously by the self-record- 

 ing magnetographs at Kew and at Lis- 

 bon ; especially of those wliich record 

 the magnetic disturbance of July 15, 

 1863, 111. 



