Active Volcanoes, Number of, 112.
Adams, of Cambridge, and Leverrier, of Paris, 249.
Address of Mr. John Smith, 330.
Africa would be better known if on Moon, 105.
Air as Blanket to keep Earth Warm, 8.
Air not Transparent, 125.
” Pump, 183.
” Resistance of, 182.
Alcor, 343.
Aldebaran, 389.
Algol, 342, 385.
Alpha Centauri, 319;
Railway to, 338.
Ancient Theory to account for Rising and Setting of Sun, 48.
Andromeda, 385.
Andromeda, Nebula in, photographed by Mr. Roberts, 364.
Andromedes, 310.
Annual Motion of Earth round Sun, 56.
Annular Eclipses, 88.
Apparent Smallness of Distant Objects, 25.
Appearance of the Sun, 35.
Appearance of the Sun during a Total Eclipse, 40.
Arctic Sun, 66.
Area of Moon’s Surface, 82.
Ariel, 243.
” Distance and Period of, 392.
Arthur’s Seat, Volcano, 114.
Asaph Hall, Professor, 195.
Asteroids or Small Planets, 203.
Astronomer and Mathematician, 144.
Astronomers, How they measure the Distances of the Heavenly Bodies, 19.
Astronomical Facts, Table of, 391.
_Astronomie, l’_, A French Journal, 30.
Athlete on Moon, 131.
Atlantic, Sun dropped into, 48.
Atmosphere of Moon, 125.
Attraction of Gravitation, 119, 186.
August Meteors, 309.
Auriga, 385.
Auvergne, Ancient Volcanoes in, 114.
Awful Vista of Lessons, 371.
Axis of Earth Constant in Direction, 69.