INDEX, 



577 



Parkes (E. A.) and Wollowicz (Count C.), 

 experiments on the action of red Bor- 

 deaux wine (claret) on the human body, 

 73, 95. 



Peirce (B.) admitted, 235. 



Pendulum observations in connexion 

 with the Great Trigonometrical Survey 

 of India, 97, 115. 



Perry (S. J.), results of seven years' obser- 

 vations of the dip and horizontal force 

 at Stonyhurst College Observatory, from 

 April ±863 to March 1870, 368. 



Phillips (J.), observations of the eclipse at 

 Oxford, December 22, 1870, 290. 



Plants, fossil, of the coal-measures (Part 

 II.), on the organization of, 500. 



Plateau (J. A. F.), elected foreign mem- 

 ber, 97; his researches, 119. 



Polarization of light, experiments on the 

 successive, 381. 



of metallic surfaces in aqueous solu- 

 tions, 243. 



Polarizing-apparatus, description of a new, 

 381. 



' Porcupine ' surveying-ship, notice of, 

 123 ; deep-sea researches in, 146 ; equip- 

 ment of, 150 ; first cruise, 152 ; second 

 cruise, 162 ; general results, 185. 



Pratt (Ven. IT.) on the constitution of the 

 solid crust of the earth, 223. 



Presents, list of, 29, 131, 273, 345, 418, 

 477, 564. 



Pressure, on the change of, produced by 



chemical combination, 445. 

 Protoplasmic life, on, 468 ; action of heat 



on, 472. 



Pulse, action of food and wine on the, 76. 

 Purkinje (J. E.), obituary notice of, ix. 



Quain (B.) admitted, 494. 



Babbits, experiments of transfusion with, 

 393. 



, physiological action of codeia deri- 

 vatives on, 510. 



Badcliffe (C. B.), researches in animal 

 electricity, 22. 



Eankine (W. J. M.), remarks on Mr. 

 Heppel's theory of continuous beams, 

 68. 



, on the mathematical theory of com- 

 bined streams, 90, 95. 



Eattray (A.) on some of the more impor- 

 tant physiological changes induced in 

 the human economy by change of cli- 

 mate, as from temperate to tropical, and 

 the reverse, 295. 



Eeed (E. J.) on the unequal distribution 

 of weight and support in ships, and its 

 effects in still water, in waves, and in 

 exceptional positions on shore, 292. 



VOL. XIX. 



Eesistance of a conductor, battery, or 

 telegraph-line, on a method of measu- 

 ring the, from a single deflection of a 

 galvanometer, 248. 



Eesonance, on the theory of, 106. 



Eespiration, some remarks on the mecha- 

 nism of, 486. 



Eeynolds (J. E.), research on a new group 

 of colloid bodies containing mercury, 

 and certain members of the series of 

 fatty ketones, 431. 



Eoscoe (H. E.) and Thorpe (T. E.) on the 

 measurement of the chemical intensity 

 of total daylight made at Catania du- 

 ring the total eclipse of Dec. 22, 1870, 

 511. 



Eosse (Earl of) on the radiation of heat 



from the moon : No. II., 9. 

 Eoyal Medal awarded to W. H. Miller, 



124 ; to T. Davidson, 126. 

 Eumford Medal awarded to A. des Cloi- 



zeaux, 126. 

 Eussell (W. H. L.) on linear differential 



equations : No. III., 14 ; No. IV., 281 ; 



No. V., 526. 



Sabine (Sir E.), intimation of resigning 

 the Presidency, 127. 



, records of the magnetic observations 



at the Kew Observatory : No. IV. Ana- 

 lysis of the principal disturbances shown 

 by the horizontal and vertical force 

 magnetometers of the Kew Observatory 

 from. 1859 to 1864, 524. 



Salt-meat diet, effect of, on the weight of 

 the human body, 302. 



Salts of nitrous oxide, on the existence and 

 formation of, 425. 



Sea, on the surface-temperature of the, 

 185 ; temperature at different depths, 

 188. 



of Marmora, observations on the 



currents, temperature, and density of 



the, 534. 

 Sea-water, density of, 191. 

 Schorlemmer (O), formation of cetyl- 



alcohol by a singular reaction, 22. 

 , researches on the hydrocarbons of 



the series C"H 2;t+9 : No. VI., 20; No. 



VII., 487. 



Schrauf (A.) on the molybdates and vana- 

 dates of lead, and on a new mineral 

 from Leadhills, 451. 



Ships, on the unequal distribution of 

 weight and support in, 292. 



Ship's place, determination of, from ob- 

 servations of altitude, 259 ; remarks on, 

 448. 



, amended rule for working out 



Sumner's method of finding a, 524. 



Siemens (C. W.), Bakerian Lecture, on 

 the increase of electrical resistance in 

 2y 



