Durchmusterung, Bonn,[ 33], [412];
Cape photographic, [412]
parallax, [418]
photometric, [421]

Dyson, coronal photographs, [190]

Earth, mean density,[ 60], [261];
knowledge regarding, [257]
rigidity, [257] [259]
variation of latitude, [258] [259]
figure, [261] [262]
effects of tidal friction, [271]-273
bodily tides, [316]
primitive disruption, [317]

Easton, structure of Milky Way, [423] [424]

Ebert, coronoidal discharges, [192]

Eclipse, solar, of 1836 [ 61];
of 1842 [62]-65,[ 67],[ 69]
of 1851 [ 69],[ 70], [166]
of 1860 [166] [167]
of 1868 [167]-170
of 1869 [170]
of 1870 [171]
of 1871 [173]
of 1878 [174]-177
of 1882 [177] [178]
of 1883 [180] [181]
of 1885 [183]
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]