922 



INDEX. 



Quick (J.) and Dr. A. Richaedson on a 

 modified form of Bunsen and Roscoe's 

 pendulum actinometer, 719. 



Raasay, a bed of Oolitic iron-ore in the 



Lias of, H. B. Woodward on, 760. 

 Radiating power of an atom. Prof. Ebert's 



estimate of the, note on, by Prof. G. F. 



FitzGerald, 689. 

 Radiolarian cherts of Cornwall, Howard 



Fox on the, 771. 

 Rag-bushes and pin-wells, E. Sidney 



Hartland on, 901. 

 Railways and tramways, electric, a new 



form of variable power-gear for, W. 



Worby Beaumont on, 880. 

 Ramsay (Prof. W.) on the bibliography 



of solution, 372. 

 on the action of light on the hij- 



dracids of the halogens in presence of 



oxygen, 381. 



on solution, 438. 



on the infliience of the silent dis- 

 charge of electricity on oxygen and 



other gases, 439. 



Ravenstein (E. G.) on the climatological 

 aiid hydrographical conditions of tropi- 

 cal Africa, 572. 



on an etlmographical survey of the 



United Kingdom, 621. 



on recent explorations in Katanga, 



833. 

 Rawson (Sir R.) on the worh of the 



Corresponding Societies Committee, 35. 

 Ratleigh (Lord) on the establishment 



of a national physical laboratory, 120. 



on practical electrical standards, 



127. 



on calculating tables of certain 



mathematical functions (Bessel's), 227. 



* on grinding and polishing, 685. 



on the reflection of sound or light 



from a corrugated surface, 690. 



on a simple interference arrange- 

 ment, 703. 



Rebeue-Paschwitz (Dr. E. von), de- 

 scription of the horizontal penduh/m 

 of, 303 ; list of memoirs on the hori- 

 zontal pendulum, 308 ; account of ob- 

 servations made therewith, 309, 



Red rocks, the younger, (Permian and 

 Trias), Rev. A. Irving on, 768. 



Reflection of sound or light from a corru- 

 gated surface, Lord Rayleigh on the, 

 690. 



Refuse, the disposal of, W. Warner on, 

 874. 



* , thermal storage by utilisation of 



town, C. C. Keep on, 874. 



Reid (A. S.) on the collection, preserva- 

 tion, and systematic registration of 

 photographs of geological interest in the 

 United Kingdom, 473. 



*Reid (J. H.) on the relation of Lake 



Tanganyika and the Congo, 837. 

 Reinach (Baron A. von) and W. A. E. 



USSHER on the occurrence of fossils 



in the Magnesian Hmestone of Bulwell, 



near Nottingham, 768. 

 Relief, vertical, of Africa, Dr. H. G. 



Schlichter on the, 837. 

 Reptilia of the British Trias, E. T. 



Newton on the, 752, 

 Resistances, nearly equal, an apparatus 



for comparing, by F. H. Nalder, 702. 

 Reynolds (Prof. J. Emerson), Address 



to the Chemical Section by, 708. 

 (Prof. Osborne) 07i the dryness of 



steam in boiler trials, 572. 

 Rhaetic beds of Britain, some vertebr.ate 



remains not hitherto recorded from 



the, M. Brown on, 748. 

 Richaedson (Dr. A.) on the action of 



light on tlie hydracids of the halogens 



in presence of oxygen, 381. 



on the expansion of chlorine gas 



and bromine vapour under the in- 

 fluence of light, 719. 



and J. Quick on a modified form 



of Bunsen and Roscoe's pendulum 

 actinometer, 719. 



Rideal (Dr. S.) on the iodine value of 

 sunlight in the High Alps, 718 



and A. J. BouLT on the application 



of sodium peroxide to water analysis, 

 725. 



Riley (Prof. C. V.) on the present state 

 of our Imonledgc of the zoology of the 

 Sandwich Islands, 523. 



. (E.) 0)1 the best method of establishing 



an international standard for the 

 analysis of iron and steel, 437. 



Roberts (Dr. I.) on earth tremors, 287. 



on the circulation of tinderground 



waters, 463. 



Roberts-Austen (Prof. W. C.) on the 

 bibliography of spectroscopy, 227. 



on the best method of establisMng an 



international standard for the analysis 

 of iron and steel, 437. 



RoBEETSON (David) ori the character of 

 the high-level shell-bearing deposits at 

 Clava, Chapelhall, and other localities, 

 483 ; on the organic remains, 502. 



Robinson (Rev. C. H.) on Hausa pilgrim- 

 ages from the Western Sudan, 837. 



* (Prof. W.) on lace and hosiery 



machinery, 874. 



on the testing machine and experi- 



mental steam-engine in the engineer- 

 ing laboratories of University College, 

 Nottingham, 884. 



RoscoE (Sir H. E.) on the establishment 

 of a national physical laboratory, 

 120. 



on the best methods of recording the 



direct intensity of solar radiation, 144 ; 



