CONTENTS.
xi
| CHAPTER XVI.
Science Progress in a Thousand Years' Retrospect.—Part III. Grand Climax of the Discovery, by Black, of the Reduplication. | |
| Page | |
| Black's grand discovery: what was it? | 303 |
| Black's practical application: first outside voyage | 304 |
| To and from the moon: preparations | 305 |
| Departure, and voyage | 308 |
| Exploration and condition of the moon | 310 |
| Return to earth | 312 |
| CHAPTER XVII.
Interplanetary Personal Intercourse. | |
| Venus and the Venusians | 314 |
| History and features | 316 |
| Mars and the Marsians | 317 |
| Physical features | 318 |
| Marsian progress | 319 |
| Things social and political | 321 |
| Other members of our solar system | 327 |
| CHAPTER XVIII.
Our Foreign Tour, Resumed From Chapter IV.: The Outer Circuit. | |
| Arrival at Mars: reception | 330 |
| Business | 331 |
| Politics | 332 |
| A Marsian public dinner | 333 |
| An attack: a Marsian "leading article" | 334 |
| Arrival at Io, the First Jovian moon | 338 |
| Physical features | 339 |
| Manners and customs of the Ioans | 342 |
| Return home via Vesta and some other planetoids | 346 |
| Vestian people and business | 348 |
