-386 



Index. 



Hartley (Walter Noel). On the Con- 

 struction of Fume - chambers with 

 Effective Ventilation, 351. 



Hutchinson (James J.). Vapour- 

 Pressure Apparatus, 325. 



Illuminator on an improved plan for the 

 Microscopic Examination of Rock- 

 Sections (Joly), 1. 



Jackson (J. T.). A new Method of Pro- 

 ducing Tension in Liquids, 104. 



Johnson (T.). The Levinge Herbarium, 

 122. 



Tyloses in the Bracken Fern 



(Pteris aquilina, Linn.), 101. 



"Willow Canker : Physalospora 



{Botryo splicer ia) gregaria, Sacc, 153. 



Joly (J.). Formation of Sand -Ripples, 



328. 

 An improved Polarizing Vertical 



Illuminator, 1. 

 ■ On Floating Breakwaters, 378. 



On the Petrological Examination 



of Road-Metal, 340. 



The Petrological Examination 



of Paving- Sets. Part i., 62. 



Levinge Herbarium (in the Museum of 

 Science and Art, Dublin) (Johnson), 

 122. 



Liquids : a new Method of Producing 

 Tension in (Jackson), 104. 



McClelland, (J. A.). The Comparison of 

 Capacities in Electrical Work : an Ap- 

 plication of Radio-active Substances, 

 167. 



McWeeney (E. J.). Remarks on the 

 Cases of Carbon Monoxide Asphyxia- 

 tion that have occurred in Dublin since 

 the Addition of Carburetted Water- 

 Gas to the ordinary Coal- Gas, 217. 



Metallic Oxides : Method of Quantitative 

 Analysis for Determining the Presence 

 of (Tichborne), 331. 



Moss (Richard J.). On an Irish 

 Specimen of Dopplerite, 93. 



Muff (H. B.). See Wright (W.B.). 



Nitric Acid and its Hydrates (Hartley), 

 373. 



Paving-Sets : the Petrological Examina- 

 tion of. Part i. (Joly), 62. 



Periodic Vibrations : Effect of, upon a 

 Jet of Water (Belas), 203. 



Pethybridge (G. H.). An Improved 

 Simple Form of Potometer, 149. 



Physalospora (Potryosphceria) gregaria, 

 Sacc. (Johnson), 153. 



Platinum and Chromium : their Ultra- 

 violet Spark- Spectra (Adeney), 235. 



Polarizing Vertical Illuminator (Joly), 1. 



Potometer : An Improved Simple Form 

 of (Pethybridge), 149. 



Pre-glacial Raised Beach of the South 

 Coast of Ireland ("Wright and Muff), 

 250. 



Radio-active Substances ; their Applica- 

 tion in a Special Case of very small 

 capacities (McClelland), 167. 



Radio-Activity of Radium : possible 

 Effect of high Pressure upon it 

 (Wilson), 193. 



Radium Bromide : Action of its Radia - 

 tions on some Organisms (Dixon and 

 Wigham), 178. 



Road-Metal : On the Petrological Exami- 

 nation of (Joly), 340. 



Ruthenium : Violet Spark- Spectrum of 

 (Adeney), 24. 



Sand- Ripples : Formation of (Joly), 

 328. 



Sap : Cohesion Theory of the Ascent of. 

 A Reply (Dixon), 48. 



Ships' Compasses: A new Form of 

 Position- Finder for Adaptation to 

 (Grubb), 146. 



Sound : Its Effect upon the Structure of 

 Water-jets (Belas), 360. 



Spark-Spectrum of Ruthenium (Adeney), 

 24. 



Star -Transits: Registration of, by Photo- 

 graphy (Grubb), 138. 



Stoney (G. Johnstone). How to intro- 

 duce Order into the relations between 

 British Weights and Measures, 6. 



