1 



INDEX. . 517 



Presentation of the medals, 73. 



Presents, lists of, 111, 253, 353, 500. 



President's address, 60. 



Pressures of granular substances, deter- 

 mination of tlie vertical and lateral 

 (Roberts), 225. 



Protoplasm, on the continuity of the, 

 through the walls of vegetable cells 

 (Gardiner), 182. 



Puccinia graminis, Mahonia aquifolia 

 as a nurse of (Plowright), 1. 



Quantitative chemical analysis, re- 

 searches in spectrum photography in 

 relation to new methods of. Part II 

 (Hartley), 421. 



Queen, address of condolence to the, 462. 



Eamsay (W.) and S. Young, influence 

 of change of condition from the 

 liquid to the solid state on vapour- 

 pressure, 499. 



Rayleigh (Lord), on the circulation of 

 air observed in Kundt's tubes, and on 

 some allied acoustical problems, 10. 



on the electro-chemical equivalent 



of silver, and on the absolute electro- 

 motive force of Clark cells. Pre- 

 liminary notice, 448. 



Reflecting galvanometer f on a new, of 

 great sensibility (Gray), 287. 



" Rennet " ferment, on a, contained in 

 the seeds of Witliania coagulans 

 (Lea), 55. 



Eeport of auditors, 59. 



of the Kew Committee, 87. 



Ripple -mark, on the formation of, in 

 sand (Darwin), 18. 



Roberts (I.), determination of the verti- 

 cal and lateral pressures of granular 

 substances, 225. 



Sucker (A. W.) and T. E. Thorpe, note 

 on the irregularities in magnetic in- 

 clination on the west coast of Scot- 

 land, 5. 



Scepamodon Ramsay, description of 

 teeth of (Owen), 3. 



Schafer (E. A.) and Y. Horsley, experi- 

 mental researches in cerebral physi- 

 ology, 437. 



Schunck (E.), note on the constitution of 

 chlorophyll, 183. 



supplementary note on the consti- 

 tution of chlorophyll, 285. 



Scott (R. H.), note on a series of 

 barometrical disturbances which 

 passed over Europe between the 27 th 

 and the 31st of August, 1883, 139. 



Secretion obtained from the medicinal 

 leech, on the action of a, on the 

 coagulation of the blood (Hay craft), 

 478. 



Ships, variation of stability with draught 

 of water in (Elgar), 434. 



Silver, on the electro-chemical equiva- 

 lent of (Rayleigh), 448. 



Skeleton, description of parts of a 

 human, from a pleistocene (palaeoli- 

 thic) bed, Tilbury, Essex (Owen) , 136. 



Solar spectrum, wave-lengths of A, a, 

 and of permanent lines in the infra- 

 red of the (Abney), 137. 



Spectra, sun-spot, on the most widened 

 lines in. 1st and 2nd series. Novem- 

 ber 12, 1879, to October 15, 1881 

 (Lockyer), 443. 



Spectroscopic studies on gaseous ex- 

 plosions. No. I (Liveing andDewar), 

 471. 



Spectrum photography, researches in, 

 in relation to new methods of quan- 

 titative chemical analysis. Part II 

 (Hartley), 421. 



Spring, a new form of, for electric and 

 other measuring instruments (Ayrton 

 and Perry), 297. 



Strachey (Lieut.-G-en. R.), note on Mr. 

 Scott's paper on the barometrical 

 disturbances of August, 1883, 143. 



Sulphuric acid, dilute, on the electroly- 

 sis of, and other hydrated salts (Glad- 

 stone and Tribe), 215. 



Sunda Strait, extracts from a report on 

 the volcanic eruption in (Yereker), 

 198. 



extract relating to the vol- 

 canic outbursts in, from the log-book 

 of the steam- ship " Governor- General 

 Loudon," 199. 



Sun-spot spectra, on the most widened 

 lines in. 1st and 2nd series, NoA T em- 

 ber 12, 1879, to October 15, 1881 

 (Lockyer), 443. 



Supertidal waves, report on the propa- 

 gations of the, caused by the volcanic 

 eruptions at Java, August, 1883 

 (Baird), 248. 



Surface forces in fluids, on the (Worth- 

 ington), 351. 



Table showing number of Fellows, 75. 



Teeth of Scepamodon Ramsay, descrip- 

 tion of (Owen), 3. 



Thompson (S. P.), note on the theory of 

 the magnetic balance of Hughes, 

 319. 



Thorpe (T. E.) and A. W. Riicker, 

 note on the irregularities of magnetic 

 inclination on the west coast of Scot- 

 land, 5. 



on the atomic weight of titanium, 



43. 



Tidal disturbances caused by the vol- 

 canic eruptions at Java, August 27 

 and 28. 1883 (Baird), 248. 



