i879-J 
INDEX 
829 
Daubreelite, new meteoric mineral, 
270 
Davis, J. W., fish remains in cannel 
coal, 813 
Death, the keys of, 209 
— painless, 306 
De Bellesme, J., liver of the Cepha- 
lopa, 389 
De Boisbaudran, L., examination of 
the mixture of earths from sa- 
marskite with the spectroscope, 
394 
Decharme, M., flight of butterflies, 
586 
De la Bastie, improvements in tem- 
pering glass, 269 
De Lacerda, M., and M. Couty, poison 
of Brazilian serpent, 764 
De la Rue, Dr., conical pendulum for 
driving clock of equatorial, 811 
— eledtric discharge with chloride of 
silver battery, 816 
Delhi, visit to ancient observatory, 787 
De Luynes, M., varnishes in printing 
inks, 768 
De Mollins, J., chemical purification 
of wash waters, 768 
De Mortillet, G., early traces of man, 
34i 
De Plessis, G., bichromate of potash 
for preserving delicate marine or- 
ganisms, 328 
De Seynes, “ chestnut disease,” 263 
Dew, mist, and fog, 384 
— new theory of, 471 
Diamonds, Chinese, 5go 
“Dictionary of Scientific Terms, Illus- 
trated ” (review), 189 
Dines, G., dew, mist, and fog, 384 
Dioptric apparatus in lighthouses for 
the eleCtric light, 381 
Diptera, certain, antennae of, 586 
— nervous system of the, 703 
Dipterous inseCt, larva of a, 513 
Disinfecting, measures for, 766 
Dodgson, C. L., “ Euclid and his 
Modern Rivals ” (review), 492 
— W., and B. Stewart, note on the 
inequalities of the diurnal range 
of the declination magnet, as re- 
corded at the Kew Observatory, 
198 
Dogs, experiments on, 388 
Dolbear, Prof., new galvanometer, 392 
“ Double Stars, Handbook of” (re- 
view), 810 
Douglass, J. N., eleCtric light applied 
to lighthouse illumination, 378 
Donnet, J. B., museum founded by, 
701 
Draper, H., oxygen in the sun, 515 
Dryness versus humidity, 201 
Ducks and cows poisoned by cater- 
pillars, 765 
Dupre, Dr., and H. W. Hake, two 
new methods for the estimation 
of minute quantities of carbon, 
200 
Dust, combustible, explosions from, 
666 
Dyes, two new green, 329 
“ Dynamics of a Particle ” (review), 
114 
Dynamo-eleCtric machines, magnetic 
circuits in, 817 
J^ARTH, cause of the form of, 331 
Edinburgh University Chemical So- 
ciety, 322 
Education, technical, in England, 
France, and Germany, 7go 
Edwards, W. H., curious faCt con- 
nected with ants, 328 
Egg, certain granules in the yolk of 
an, 388 
Eggs, experiments on, 704 
— silkworms’, preservation cf, 391 
EleCtric apparatus, new catalogue of, 
776 
— burner, new, 455 
— clock used in experiments on 
tuning-forks, 581 
— currents, measuring and regu- 
lating, 255 
— discharge of chloride of silver 
battery, 816 
— fishes, researches on, 393 
touch of, 512 
— lamp, carbons in the, 528 
— light, 207, 260, 264, 587, 644 
applied to lighthouse illumina- 
tion, 378 
dioptric apparatus in light- 
houses for the, 381 
for India, 205, 303 
new battery for, 776 
regulator, E. Regniers, report 
on, 332 
— lighting by incandescence, 168, 450 
contribution to the history of, 
155 
report on, 455, 518 
“ EleCtric Induction, Static ” (review), 
646 
Electrical discharges through rarefied 
gases, sensitive state of, 440 
— inscription of words, 455 
— insulation in high vacua, 240 
Electricity and light, new relation be- 
tween, 318 
