936 



INDEX. 



*Prices, the fall of, in Belgium. France, 

 and England, graphic illustrations of, 

 by Prof. Denis, 832. 



, real and money, changes in, by 



W. Hooper, S30. 



Prince (E. E.) *on the development of 

 the ovary and oviduct in certain 

 osseous fishes, 760 ; on the so-called 

 luminous organs of Maurolicvs 2)en- 

 nantil (the British pearl-sides), 769 ; 

 on the ova of Tomopierh onisciforni/s, 

 Eschscliolz, ib. ; *on a ciliated organ, 

 probablj'' sensory, in Tomojderis onisci- 

 f or mis, ib. 



Princeton eclipse expedition. Prof. C. A. 

 Young on the, 590. 



*?ringsheim (Prof.) on assimilation and 

 the evolution of oxygen by green plant 

 cells, 763. 



Pritchard (Prof. C.) on the nature of the 

 photographic star-discs and the re- 

 moval of a difficulty in measurements 

 for parallax, r)80. 



Protection and free trade, the battle be- 

 tween, in Australia, by W. Westgarth, 

 833. 



Protective value of colour and markings 

 in insects, further experiments upon 

 the, by E. B. Poulton, 763. 



Protojrterus, the torpid state of, Prof. 

 Wiedersheim on, 738. 



Provincial museums of the United King- 

 dom, report on the, 97. 



Pyrocresols, the derivatives and the con- 

 stitution of the. Dr. W. Bott and Prof. 

 H. Schwarz on, 669. 



Quincke (Prof.) on the magnetic proper- 

 ties of gases, 608. 



Quinn (E. P.) on a simple method of pro- 

 jecting upon the screen microscopic 

 rock sections, both by ordinary and by 

 polarised light, 725. 



Eacial photographs from the ancient 

 Egyptian pictures and sculjjtures, re- 

 port of the Committee for procuring, 

 439. 



Eae (Dr. J.) on the depth of perma- 

 nently frozen soil in the Polar regions, 

 152. 



Kai'an Moeris, the, by Coj)e Whitehouse, 

 799. 



Ka'ian reservoir, the feasibility of the, by 

 Col. Ardagh, 800. 



* Railway reading-lamp, an improved, 

 W. H. Preece on, 884. 



Eailway sleeper, an improved steel, with 

 chairs pressed out of the solid, by H. 

 White, 872. 



Hamsay (Prof.) on the action of the silent 

 discharge of electricity on oxygen and 

 other gases, 42 ; on the investigation 

 of certain physical constants of solu- 



tion, especially the expansion of saline 

 solutions, 48; on the nature of solution, 

 55 ; on the bibliography of solution,. 

 57 ; on electrolysis in its physical and 

 chemical bearings, 336. 

 *Ramsay's, Prof., method of determining 

 specific volumes, Prof. L. Meyer on, 

 653. 

 Rankin (A.) on the thermal windrose at 



the Ben Nevis Observatory, 595. 

 *Ransome (Dr.), apparatus for the exami- 

 nation of air, 672. 

 Ransome (A.), phthisis centres in Man- 

 chester and Salford, 852. 



Ransome (F.), improvements in the 

 manufacture of Portland cement, 864. 



Ratio of the two elasticities of air, Prof. 

 S. P. Thompson on the, 581. 



Ravenstein (B. G.) on the promotion of 

 the study of geography, 158 ; on the 

 combination of the Ordnance and Ad- 

 miralty surveys, and the production of 

 a bathy-hj'psographical map of the 

 British Islands 160; a plea for the 

 metre, 805. 



Rawnsley (Rev. H. D.), manual training, 

 an experiment at Keswick, 846. 



Rawson (Sir R.) on the work of the 

 Corresponding Societies Committee, 

 459. 



Rawson (R.) on criticoids, 604. 



Rayleigh (Prof. Lord) on standards of 

 light, 47 ; on standards for use in 

 electrical measurements, 206 ; on elec- 

 trolysis in its physical and chemical 

 bearings, 336 ; on the existence of 

 reflection when the relative refractive 

 index is unity, 585. 



Red Sea, between the Nile and the, by 

 E. A. Floyer, 801. 



* Red Sea trade, A. B. Wylde on the, 802. 



Reduction-products, the, of the nitro- 

 paraffins and alkyl nitrites, by Prof. 

 Dunstan and T. S. Dymond, 649. 



Reflection, the existence of, when the re- 

 lative refractive index is unity, Lord 

 Rayleigh on, 585. 



Regulation of wages by means of lists 

 in the cotton industry, report on the, 

 303; spinning, i&. ; weaving, 314. 



Reinold (Prof.) on the desirability of 

 combined action for the translation of 

 foreign memoirs, 41 ; on electrolysis in. 

 its physical and chemical bearings, 336. 



Rent, the theory of, recent illustrations 

 of, and their effect on the value of 

 land, by G. A. Jamieson, 536. 



Resistance of stone to crushing, as 

 affected by the material on which it is 

 bedded. Prof. W. C. Unwin on the, 879. 



Revolving engine, a high-speed steam or 

 hydraulic, A. Rigg on, 871. 



Reynolds (Prof. O.) on certain laws 

 relating to the regime of rivers and; 



