PAGE No. 1, February 19, 1904; Moon’s Age 3.85 Days 50 No. 2, September 24, 1903; Moon’s Age 3.87 Days 56 No. 3, July 29, 1903; Moon’s Age 5.54 Days 66 No. 4, November 24, 1903; Moon’s Age 5.74 Days 72 No. 5, July 1, 1903; Moon’s Age 6.24 Days 74 No. 6, November 26, 1903; Moon’s Age 7.75 Days 78 No. 7, July 2, 1903; Moon’s Age 7.24 Days 90 No. 8, August 31, 1903; Moon’s Age 9.22 Days 94 No. 9, August 2, 1903; Moon’s Age 8.97 Days 102 No. 10, November 30, 1903; Moon’s Age 11.78 Days 106 No. 11, December 1, 1903; Moon’s Age 12.98 Days 112 No. 12, September 4, 1903; Moon’s Age 13.27 Days 118 No. 13, September 5, 1903; Moon’s Age 14.40 Days 122 No. 14, August 26, 1904; Moon’s Age 15.65 Days 132 No. 15, August 28, 1904; Moon’s Age 17.41 Days 134 No. 16, August 29, 1904; Moon’s Age 18.62 Days 138 No. 17, October 10, 1903; Moon’s Age 20.06 Days 142 No. 18, September 29, 1904; Moon’s Age 20.50 Days 144 No. 19, August 16, 1903; Moon’s Age 23.81 Days 150 No. 20, August 17, 1903; Moon’s Age 24.84 Days 158 No. 21, August 19, 1903; Moon’s Age 26.89 Days 168 PHOTOGRAPHS OF THE MOON SHOWING SIGNIFICANT FEATURES PAGE Bullialdus and the _Mare Nubium_ 182 Tycho, Clavius, and their Surroundings 192 The Great Southwest on the Moon 198 The Giant Ring Mountain Theophilus and its 206 Neighbors. Two Great Lunar “Seas”—the _Mare Serenitatis_ and 218 a Part of the _Mare Imbrium_ DIAGRAMS IN TEXT PAGE Phases and Rotation of the Moon 14 The Moon’s Path with Respect to the Sun and the 17 Earth The Moon and the Tides 23 Effect of Moon, Varying Velocity in Orbit 58 Producing Libration in Longitude Lunar Volcano, in Section 85 Terrestrial Volcano, in Section 85 Diagram Showing Why the Winter Moon Runs High 170 Diagram Showing Why Moon Rises Later Every Night 173 Diagram Illustrating the Harvest Moon 174 ------------------------------------------------------------------------ INTRODUCTION ------------------------------------------------------------------------ INTRODUCTION