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]
[Pg 476]
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]