INDEX. 



SS6 



S^'mons (G. J.) on the work of the Cor- 

 responding Societies Committee, 41 ; 

 on the application of photograpliy to 

 the elucidation of meteorological phe- 

 nomena, 130 ; on the best methods of 

 reoording the direct intensity of solar 

 radiation, 160 ; on the circulation of 

 underground waters, 300 ; on the ad- 

 visability and possibility of establish- 

 ing observations upon the prevalence 

 of earth tremors, 333. 



Symons (W.), a simple apparatus for 

 storing dry gases, 609. 



*Systematic observation, Le Play's 

 method of, by F. Auburtin, 747. 



*Systematic position of certain organisms 

 that are regarded by some naturalists 

 as animals, and by others as plants, 

 discussion on the, 682. 



Tables of certain mathematical functions, 

 second report of the Committee to 

 calculate, and, if necessary, to take 

 steps to carry out the calculations and 

 publish the results in an accessible 

 form, 129. 



Tadpoles of the common frog (If ana 

 temporaria'), experiments on respiration 

 in, by Prof. W. N. Parker, 694. 



Tangential transformations, some, includ- 

 ing Laguerre's semi-droites reciproques, 

 by Prof. R. W. Genese, 571. 



Tanner (Col. H.), bar-subtense survey, 

 718 ; *i3hysical aspects of the Hima- 

 layas, and notes on the inhabitants, 

 722. 



Taxation of inventors, the, by Dr. L. 

 Edmunds, 743. 



Taylor (H.) on standards for use in elec- 

 trical measurements, 152. 



Teall (J. J. H.) on the volcanic pheno- 

 mena of Vesuvius and its neighbour- 

 hood, 312. 



Telephone, the London-Paris, by \V. H. 

 Preece, 767. 



Telephoning of great cities, the, A. R. 

 Bennett on, 769. 



Temple (Sir R.) on the teaching of 

 science in elementary schools, 383. 



Tenerife, the ancient language of the 

 natives of, the Marquess of Bute on, 

 799. 



Thermodynamics, report on the present 

 state of our knowledge of, specially 

 with regard to the second law, 85 ; 

 researches relating to the connection 

 of tlie second law with dynamical 

 principles, by G. H. Bryan, ih. 



Thiselton-Dyer (Mr.) on the present 

 .state of our knowledge of the zoology 

 and botany of the West India Islands, 

 and on the steps taken to investigate 



ascertained deficiencies in the fauna 

 and flora, 354 ; on tlie steps taken for 

 establishing a botanical laboratory at 

 Peradeniya, Cej'lon, 358. 

 Thompson (B.) on the very fossiliferous 

 transition bed between the middle and 

 upper lias in Northamptonshire, 334. 

 Thompson (Prof. C. M.) on didymium 



from different sources, 611. 

 Tliompson (Prof. S. P.) on electrolysis in 

 its physical and chemical bearings, 

 122; on the teaching of science in ele- 

 mentary schools, 383 ; on the measure - 

 ment of lenses, 580 ; *on a new polar- 

 iser, il). 

 *Thomson (J.), photography applied to 



exploration, 719. 

 Thomson (Prof. J. J.) on electrolysis 

 its physical and cliemical bearings, 

 122 ; on standards for use in electrical 

 measurements, 152. 

 Thomson (J. M.) on electrolysis in itis 



phj'sical and chemical bearings, 122. 

 Thomson (Prof. Sir W.) on electrolysis in 

 its physical and chemical bearings, 122 ; 

 on the earthquake and volcanic pheno- 

 mena of Japan, 123; on calculating 

 tables of certain mathematical func- 

 tions, 129 ; on researches on electro- 

 optics, 147 ; on the best means of 

 comparing and reducing magnetic ob- 

 servations, 149 ; on standards for use 

 in electrical measurements, 152; *on 

 periodic motion of a finite conservative 

 system, 566. 

 Thorp ( W.) on the propagation of electro- 

 magnetic waves in wires, 5G2. 

 Thorpe (Prof.) on the action of light 



upon dj^ed colours, 263. 

 Tiddeman (R. H.) on the erratic blocks 

 of England, Wales, and Ireland, 276 ; 

 on the collection, preservation, and 

 systematic registration of photograph? 

 of geological interest in the United 

 Kingdom, 321 ; on the cave at Elbol- 

 ton, 351. 

 Tilden (Prof.) on electrolysis in its 

 physical and chemical bearings, 122; 

 on isomeric naphthalene derivatives, 

 265 ; on the bibliography of solutioi;, 

 273 : on the properties of solutions, ib. ; 

 on the best method of estabhshing an 

 - international standard for the analysis 



of iron and steel, ib. 

 Timmis (I. A.) the lighting of railway 

 ■ trains electrically, 773. 

 Tomlinson (H.) on standards for use in 



electrical measurements, 152. 

 Topley (W.) on the work of the Corre- 

 sponding Societies Committee, 41 ; 

 on the circulation of underground 

 waters, 300 ; on the investigation of 

 the action of waves and currents ou 

 the beds ^nd foreshores of estuarjes 

 3 II 2 



