Remarkable Comets [290]
Connection between Meteors and Comets, [300]
Physical and Chemical Constitution of Comets [314]
II. The Zodiacal Light [318]
III. THE STELLAR UNIVERSE [322]
I. General Aspect of the Heavens [322]
II. The Stars [330]
The Constellations [330]
Clusters [350]
Double and Multiple Stars [355]