ILLUSTRATIONS
Reading edition
The Zodiacal Light Frontispiece
Chart of the Northern Constellations Opposite p. 73
Belt and Sword of Orion ” 121
Nebula in the Constellation Cygnus ” 169
Sun’s Surface and Sun Spot ” 217
Portion of the Moon’s Disk ” 265
Nine Views of the Hour-Glass Sea on Mars ” 313
Twelve Views of Jupiter ” 361
Three Views of Saturn ” 409