ILLUSTRATIONS
Reading edition
PLATES
A Typical Sun-spot Frontispiece
Venus on the Sun’s Disc To face page 66
Cluster in Hercules ”218
Great Nebula in Orion ”230
A Portion of the Moon’s Surface ”268
IN TEXT
FIG. PAGE
1. The Ptolemaic System of the Universe 86
2. Milton’s Division of Universal Space 96
3. A Binary Star System—70 Ophiuchi 184
4. The Orbits of the Components of γ Virginis 189
5. Apparent Orbit of the Companion of Sirius 190
6. A Sun-spot Magnified 247
7. The Corona during the Eclipse of May 1883 254
8. A Portion of the Milky Way 289