940 



INDEX. 



Dewar (Prof.) on chemical nomenclature, 

 39 ; on the present state of our know- 

 ledge of spectrum analysis, 295 ; on 

 wave-length tables of the spectra of 

 the elements, 851 ; *on the law of 

 total radiation at high temperatures, 

 023 ; *on the constitution of the ele- 

 ments, C72 ; *on the liquefaction of 

 oxygen and the density of liquid hydro- 

 gen, C79. 



and Prof. Liveing, spectroscopic 



studies of explosions, 072. 



*Diamond, the ash of the, Prof. Sir H. 

 E. Roscoe on, 681. 



*Diamondiferous deposits of South 

 Africa, Prof. Sir H. E. Roscoe on the, 

 681. 



♦Diatomaceous remains in the lake de- 

 posits of Nova Scotia, A. H. Mackay 

 on the, 783. 



Dictyospongidas, the fossil reticulate 

 sponges constituting the familv, Prof. 

 J. Hall on, 725. 



♦Diffusion of metals, Prof. W. C. Roberts 

 on the, 053, 675. 



Dillon (J.), an automatic sounder, 807 ; 

 *on flood regulators, 896. 



Dinosaurian reptiles, the classification 

 and affinities of, Prof. O. C. Marsh on, 

 763. 



Discriminating condition of maxima and 

 minima in the calculus of variations, 

 E. P. Culverwell on the, 649. 



Dissociation, evaporation and, Prof. W. 

 Ramsay and Dr. S. Young on, 675. 



Dixon (H. B.) on chemical nomenclature, 

 39; on the incomplete combustion of 

 gases, 671 ; on the velocity of ex- 

 plosions in gases, 688. 



Dobson (G. E.) *on the comparative 

 variableness of bones and muscles, 

 with remarks on unity of type in 

 variation of the origin and insertion 

 of certain muscles in species uncon- 

 nected by unity of descent, 767 ; an 

 attempt to exhibit diagrammatically 

 the several stages of evolution of the 

 mammalia, 768 ; on some peculiarities 

 in the geographical distribution of 

 certain mammals inhabiting continen- 

 tal and oceanic islands, 770. 



Dodo, the structure and arrangement of 

 the feathers in the, Prof. H. N. Moseley 

 on, 782. 



*Dominion savings banks, by T. D. 

 Tims, 835. 



Dominion surveys, T. Saunders on, 807. 



*Douglas (W. A.), loans and savings 

 companies, 835. 



Douglass (Sir J. N.) on the erosion of 

 the sea-coasts of England and Wales, 

 238 ; on improvements in coast 

 signals, with supplementary remarks 

 on the new Eddystone lighthouse, 584. 



Douglass (W. H.), harmonies and antago- 

 nisms in the social forces, 869. 



Drummond (A. T.), the distribution of 

 Canadian forest trees, 855. 



Dunnington (Prof. F. P.) on the action 

 of sulphuretted hydrogen upon silver, 

 678. 



*l)ynamo-electric machines, some points 

 in, by Prof. S. P. Thompson, 894. 



* , the equations of, Prof. S. P. 



Thompson on, 055. 



Dyck (Prof. W.) on the ' Analysis Situs ' 

 of threedimensional spaces, 048. 



Earth currents, E. O. Walker on, 055. 

 Earthquake phenomena of Japan, fourth 



report on the, 241. 

 Easton (E.) on the erosion of the sea- 

 coasts of England and Wales, 238. 

 Echinoderms, the mutual relation of the 



recent groups of, Prof. A. M. Marshall 



on, 708. 

 Economic Science and Statistics, Address 



by Sir It. Temple to the Section of, 



813. 

 Eddystone lighthouse, the new, Sir J. N. 



Douglass on, 590. 

 ♦Electric circuits, safety fuses for, Prof. 



Sir Wm. Thomson on, G32. 

 Electric control for an equatorial clock- 

 movement, the Earl of Rosse on an, 



030. 

 Electric current, the influence of an, on 



the thinning of a liquid film, by Profs. 



A. W. Remold and A. W. Riicker, 052. 

 *Electric lighting, domestic, by W. H. 



Preece, 893. 

 *Electric railway, the Portrush, by Dr. 



A. Traill, 893. 

 ♦Electric tramways, by H. Smith, 893. 

 Electrical measurements, report of the 



Committee for constructing and issuing 



practical standards for use in, 29. 

 Electricity, an analogv between heat and, 



Prof. G. F. Fitzgerald on, 652. 

 * , the discharge of, through gases, 



the influence of magnetism on, Prof. 



A. Schuster on, 033. 

 Electrodynamometer, an, with extremely 



light-moving coil, forthemeasuiement 



of small alternating currents, Dr. W. 



H. Stone on, 054. 

 Electromotive forces, the, in the voltaic 



cell, the seat of, Prof. O. J. Lodge on, 



404. 

 ♦Elements, the constitution of the, Prof. 



Dewar on, 072. 

 Elimination of nitrogen, the influence of 



bodily exercise on the, report on, 265. 

 Elsberg (Prof. L.), note on the occur- 

 rence of bacteria on the surface of 



coins, 766. 

 ♦Emigration, female, by Miss M. Rye, 



806. 



