of 1886, 184;
of 1887, 185;
of 1889, 185-187;
of 1893, 187, 188;
of 1896, 188;
of 1898, 189;
of 1900, 189, 190;
of 1901, 190

Eclipses, lunar, heat-phases during, 269, 270

Eclipses, solar, importance, 59;
ancient, 60, 273;
classification, 61;
results, 192, 193

Eddie, comet of 1880, 349;
of 1882, 363

Edison, tasimeter, 177

Egoroff, telluric lines in solar spectrum, 211, 214

Elements, chemical, dissociation in sun, 206, 209, 210

Elkin, star parallaxes, 37, 416, 417;
photography of meteors, 338;
transit of great comet, 358, 360;
secondary tail, 363;
triangulation of the Pleiades, 410

Elliot, opinions regarding the sun, 57

Elvins, red spot on Jupiter, 296

Encke, star maps, 78;
calculation of short-period comet, 90;
resisting medium, 93;
distance of the sun, 230, 232;
period of Pons's comet, 365

Engelmann, rotation of Jupiter's satellites, 292

Ericsson, solar temperature, 218

Erman, meteoric rings, 330

Eros, measures of, for solar parallax, 238;
discovery, 284;
variability, 285

Ertborn, mountain in Venus, 253

Espin, spectra of variable stars, 379;
stars with banded spectra, 381;
Nova Aurigae, 397, 398

Euler, resisting medium, 93

Evershed, eclipse photographs, 189, 200

Evolution, of solar system, 308, 309, 313-316, 322;
of earth-moon system, 316-318;
of stellar systems, 420

Fabricius, David, discovery of Mira Ceti, 10

Fabricius, John, detection of sun-spots, 52

Faculae, relation to spots, 53, 155, 158;
solar rotation from, 155;
photographed, 197, 198, 377

Faye, nature of prominences, 70, 166;
discovery of a comet, 98;
cyclonic theory of sun-spots, 144, 157;
solar constitution, 150-152;
maximum of 1883, 163;
velocities in prominences, 205;
distance of the sun, 240;
planetary evolution, 314, 315, 321

Feilitsch, solar appendages, 70

Fenyi, solar observations, 184, 204

Ferrel, tidal friction, 272

Ferrer, nature of corona, 67;
prominences, 69

Fessenden, electrical theory of comets, 348

Finlay, transit of great comet, 358, 360

Fizeau, daguerrotype of the sun, 153;
Doppler's principle, 201;
velocity of light, 232

Flammarion, canals of Mars, 280;
trans-Neptunian planet, 306

Flamsteed, solar constitution, 57;
distance, 22