788 



INDEX. 



posed for, Eev. "W. H. Jemison on, 

 761. 



Divers (Prof. E.) on the sodium-alum of 

 Japan, 586 ; on the occurrence of 

 selenium and tellurium in Japan, ib. ; 

 on the chrome iron ore of Japan, 587. 



*Dixon (J.) on a process for utilising 

 waste-products and economising fuel 

 in the extraction of copper, 567. 



*Dobson (G. E.) on the digastric muscle, 

 its modifications and its functions 722. 



Double iodide of mercury and copper. 

 Prof. S. P. Thompson on the, 600. 



Dowkerbottom Cave, in Craven, a pre- 

 liminary account of the working of, 

 during August, 1881, by E. B.Poulton, 

 622. 



Dowson (J. E.) on the economical effect 

 of using cheap gas for gas-motors, 

 with a description of apparatus for 

 producing such gas, 775. 



Dravidian villages of the Dekhan, notes 

 on the village system, and the tenure 

 of land in the, by Sir W. Elliot, 758. 



Drift obtained from the new drainage 

 works of Driffield, sections of the, J. K. 

 Mortimer on, 617. 



♦Drinking customs, the economic in- 

 fluence of the, upon the nation's well- 

 being, by W. Hoyle, 760. 



Drops and capillarity. Dr. T. Woods on, 

 665. 



DufE (Et. Hon. M. E. Grant), Address by, 

 to the Section of Economic Science and 

 Statistics, 752. 



Duncan (Prof. P. M.) on experiments to 

 determine the thermal conductivities 

 of certain rocks, 126 ; on fossil polyzoa, 

 161 ; on Asterosmilia Reedi, a new 

 species of coral from the oligocene of 

 Brockenhurst, Hants, 618. 



Dunn (J. T.) on experiments to determine 

 the thermal conductivities of certain 

 rocks, 126. 



Dynamical theory of radiation. Prof. A. 

 Schuster on the, 561. 



Dynamometer coupling, Profs. W. E. 

 Ayrton and J. Perry on a, 553. 



Dynamos, the proper proportions of re- 

 sistance in the working coils, the 

 electro-magnets, and the external cir- 

 cuits of, Prof. Sir Wm. Thomson on, 

 528. 



*Eads (Capt. J. B.), observations on the 

 improvements of the Mississippi Eiver, 

 and on the proposed ship railway across 

 the Isthmtis of Tehuantepec, Mexico, 

 774. 



Ears, the function of the two, in the per- 

 ception of space. Prof. S. P. Thompson 

 on, 716. 



Earth-currents, magnetic disturbances 

 and, Prof. W. G. Adams on, 463. 



Earthquake phenomena of Japan, report 

 on the, 200. 



Economic Science and Statistics, Address 

 by the Rt. Hon. M. E. Grant DufE to 

 the Section of, 752. 



Economics and statistics viewed from 

 the standpoint of the preliminary 

 sciences, P. Geddes on, 765. 



Economy of metal in conductors of elec- 

 tricity. Prof. Sir Wm. Thomson on the, 

 526. 



Edmonds (F. B.) on the sunspot period, 

 and planetary tides in the solar atmo- 

 sphere, 544. 



Electric discharge through colza oil, 

 A. Macfarlane on the, 556. 



Electric energy, some applications of, to 

 horticultural and agricultural purposes. 

 Dr. C. W. Siemens on, 474. 



*Electric light, the value of quadriform 

 gaslights for lighthouses in comparison 

 vnih the, J. R. Wigham on, 779. 



Electric lighting as applied to coal mines, 

 A. Jamieson on, 778. 



*Electric lights, incandescent, the rela- 

 tive value of, J. N. Shoolbred on, 780. 



♦Electrical apparatus, a screw gauge for, 

 W. H. Preece on, 779. 



Electrical measurements, interim report 

 of the Committee for constructing and 

 issuing practical standards for use in, 

 423. 



Electrical resistances in absolute measure, 

 account of preliminary experiments on 

 the determination of, by Prof. G. C. 

 Foster, 426. 



Electricity, the application of, to the 

 localisation of a bullet in a woimd, 

 W. H. Preece on, 531. 



* , the transmission of power by, 



J. N. Shoolbred on, 779. 



•Electro-ergometer, Prof. Sir Wm. Thom- 

 son on an, 554. 



Electrometer, a new, J. Brown on, and 

 some preliminary experiments on vol- 

 taic action, 562. 



, the absolute sine. Prof. G. M. 



Minchin on, 558. 



Elimination of sugar, the effect of the 

 voltaic current on, W. H. Stone on, 

 724. 



Elliot (Sir W.), notes on the village 

 system, and the tenure of land in the 

 Dravidian villages of the Dekhan, 

 758. 



Elliptic functions, a diagram connected 

 with the transformation of. Prof. Cay- 

 ley on, 534. 



* , the q-series in, J. W. L. Glaisher 



on, 535. 

 ♦Elliptic transformation, the equation of 

 the multiplier in the theory of. Prof. 

 H. J. S. Smith on, 538. 

 Equipment, the, of exploring expeditions 



I 



