RECENT DISCOVERIES.
- Improvements in the Telescope, [414]
- Rosse's Leviathan Telescope, [415]
- Pulkova and Cambridge Telescopes, [415]
- Improvements in instrumental Measurements, [416]
- New Planets and Asteroids, [416]
- Great Comet of 1843, [417]
- Distances of the Stars, [418]
- Discovery of Neptune, [419]
- Recent telescopic discoveries, [420]
- Longitude by the Electric Telegraph, [422]