Light, the messenger of the universe, 147. in a star-cluster, 45. Libra, description and mythology of, 52. Life, does it exist beyond the earth? 37, 48, 137, 139, 140, 147. Locke, Richard Adams, author of the "Moon Hoax," 125. Lyra, map of, 44. mythology of, 45. Maedler, on the "Central Sun," 104. Maginus, 124. Maia, 103, 105. Man in the Moon, 121. Manger (Praesepe), 15. Marine glass, 6. Markab ([alpha] Pegasi), 70. Marsh of Mists, 129. of Putrefaction, 129. of Sleep, 127. Mars, 140. Medusa, the head of, 83. Menelaus, 128. Menkalina, 22. Menkar ([alpha] Ceti), 70. Mercury, 139. Merope, 102, 103. Mesarthim, 75. Meteors, radiant point of November, 11. radiant point of Biela, 82. Micromegas, the story of, 115. Milk-Dipper, 34. Milky-Way, 17, 34, 39, 40, 43, 57, 81, 86, 116. Mira ([omicron] Ceti), 71. probable cause of its variations, 72. Milton, account of Libra, 52. Mirach ([beta] Andromedae), 79. Mizar, 27. Moon, mountains of the, 120. shadows on the, 120. map of the, 123. list of mountains, "seas," etc., 123. inhabitableness of the, 136. the other side of the, 138. "Moon Hoax," 125, 128. Monoceros, map of, 110. Mu Argus, 116. Scorpionis, 36. Nebulae (and Star-Clusters): 4 M, 34. 6 M, 37. 7 M, 37. 8 M, 38. 13 M, 45. 24 M, 38. 25 M, 39. 30 M, 66. 34 M, 86. 35 M, 18. 37 M, 23. 38 M, 23. 41 M, 112. 46 M, 116. 50 M, 117. 80 M, 35. 93 M, 116. 2^7, 117. 33^7, 23. 38^8, 116. Andromeda, Great Nebula in, 79, 80. Aquarius, Nebula in, 68. Crab Nebula, 97, 98. Field of the Nebulae, 51. Horseshoe Nebula, 39. Orion, Great Nebula in, 107. Perseus, Great Cluster in, 86. Pleiades, nebulae in the, 104. Ring Nebula in Lyra, 50. Nebular hypothesis, 68. Neison, description of sunrise on Clavius, 133. Newton, 134. "Nile-Star," 111. Northern Cross, 54, 55. Northern Crown, map of the, 44. Northern Fish, 73, 79. Nu Andromedae, 79, 82. Aquarii, a pointer to a nebula, 68. Canis Majoris, 112. Draconis, 58. Scorpionis, 34. Ocean of Storms, 130. Omicron Ceti (Mira), 71, 72. Cygni, 57. Omicron two Eridani, a flying-star, 95. Opera-glass, views of the stars with, 3. how to choose a good, 4. magnifying power of, 4. defects of, 5. Ophiuchus and Serpens, map of, 41. mythology of, 41. Orion, map of, 93. mythology of, 109. great array of stars around, 90. riches of, 106. spectacle of the rising of, 89. Orpheus, fancies about the moon, 119. Pegasus, map of, 64. mythology of, 69. Perseus, map of, 76. mythology of, 75. great cluster in, 86. Phantom, another name of Hercules, 45. Photography, astronomical, 3, 105. Pi Argus, 116. Five Orionis, 109. Pegasi, 70.