[Temporary Stars, Meteors, and Comets] 187
CHAPTER VIII.
CHAPTER IX.
[Interpretation of Cometic Phenomena] 225
CHAPTER X.
[The Resolvable Nebulæ, Star-Clusters and Galaxies] 237
CHAPTER XI.
CHAPTER XII.
[Temporary Stars, Meteors, and Comets] 187
CHAPTER VIII.
CHAPTER IX.
[Interpretation of Cometic Phenomena] 225
CHAPTER X.
[The Resolvable Nebulæ, Star-Clusters and Galaxies] 237
CHAPTER XI.
CHAPTER XII.