Lava floods on moon, 73, 152. Libration, effects of, on visibility of parts of moon, 57-58, _Note_. Life on the moon, 230. Light of moon compared with that of sun, 163. Lindenau, 202. Linné, changes in, 233. observations of, by Professor Pickering, 233. observations of, by Schmidt, 233. Loewy and Puiseux, opinion of, on lunar “seas,” 220. Longomontanus, 101, 146, 150, 195. Lubiniesky, 184. Lunar charts, their relative accuracy, 161. Lunar history, 62. Lunar month, 12. Lunar nomenclature, 59, 147. number of objects bearing names, 161. singularity of, 203. Lunar plains, darkening of, near sunset, 144. Lunar sickle, rule to determine position of, 168. Lunar vegetation, 32. Maginus, 100, 146, 196. Manilius, 122, 222. Marco Polo, 222. _Mare Crisium_, 52, 55. _Mare Fœcunditatis_, 65. _Mare Frigoris_, 76. _Mare Humorum_, 106, 117, 150. _Mare Imbrium_, 103, 142, 144, 224. irregularities in the floor of, 232. islands in, 231. _Mare Nectaris_, 68, 135. _Mare Nubium_, 102, 148, 180. _Mare Serenitatis_, 74, 135, 219, 232. bordering cliffs of, 220. ridges in the floor of, 234. _Mare Tranquillitatis_, 74, 135. _Mare Vaporum_, 103. “Marsh of a Dream,” 68, 91. Mass of moon, 35. Maurolycus, 75, 142, 204. Menelaus, 92, 221. Mercator, 185. Month, lunar, 12. Moon, birth of, and Pacific Ocean, 6. distance of, from earth, 8. greatest distance of, from earth, 8. influence of, on growth of vegetation, 163. least distance of, from earth, 8. life on, 230. other side of, 139. seen by daylight, 149. separation of, from the earth, 6. turning of same face of, toward earth, 19. Moon and earthquakes, 165. Moon and the weather, 164. Moon and volcanoes, 165. “Moon Maiden,” 10, 96, 103, 122. Mount Hadley, 222. New Moon, photograph of, 49. New Moon and the weather, 169. Newton, deepest crater on moon, 107. Nicollet, 188. Night, advance of, over moon, 131. length of, on moon, 95. lunar, coldness of, 136. Nodes of moon and their revolution, 38-39. _Oceanus Procellarum_, 105, 150. submerged rays in, 151. Orbit of moon, 8. Origin of moon, 6. Pacific Ocean and birth of moon, 6. _Palus Somnii_, 68. Path of moon about sun, 16-17, _Note_. Petavius, 62, 123. Phases of moon explained, 13-16. Phlægrean Fields, 60. Photographs, lunar, 47-49. in series, 57. peculiar tone of, 145. why they are reversed, 52. Photometry, lunar, 153-154. Piccolomini, 72, 200. Pickering, Prof. William H., observations of Linné by, 233. on effects of earth’s shadow on moon, 28. opinion of, regarding changes in Plato, 226. theory of Tycho’s rays by, 126. Pico, 231. Pitatus, 186, 195. Plato, 105, 114, 132, 225. changes observed in, opinion of Prof. William H. Pickering regarding, 226. vegetation in, 227. Plinius, 224. Poetry of the moon, 96. Posidonius, 224.