class="tdright">Frontispiece

The Rainbow (Rubens) 2 Merodach and Tiamat 25 Cirrus and Cumuli 47 A Corner of the Milky Way 94 The Great Comet of 1843 102 Fall of an Aerolite 110 Meteoric Shower of 1799 115 The Assyrian 'Ring With Wings' 126 Corona of Minimum Type 127 St. Paul Preaching at Athens (Raphael) 148 The Ancient Constellations South of the Ecliptic 155 The Celestial Sphere 156 The Midnight Constellations of Spring, b.c. 2700 164 The Midnight Constellations of Winter, b.c. 2700 165 Ophiuchus and the Neighbouring Constellations 189 Aquarius and the Neighbouring Constellations 192 Hercules and Draco 197 Hydra and the Neighbouring Constellations 200 Andromeda and Cetus 207 Stars of the Pleiades 219 Inner Nebulosities of the Pleiades 227 Stars of Orion 232 Orion and the Neighbouring Constellations 236 Position of Spring Equinox, b.c. 2700 246 Position of Spring Equinox, a.d. 1900 247 Stars of the Plough, as the Winnowing Fan 263 'Blow up the Trumpet in the New Moon' 268 Position of the New Moon at the Equinoxes 316 Boundary-stone in the Louvre 318 Worship of the Sun-God at Sippara 322 'Sun, stand Thou still upon Gibeon, and Thou Moon in the Valley of Ajalon' 350 Map of Southern Palestine