[21] A circular ring-plain, 42 miles in diameter.
[22] The interior of this crater exhibits some interesting features as the Sun rises higher above it.
[23] A fine ring-plain, 25½ miles in diameter.
[24] Mädler says “the full Moon knows no Maginus,” meaning that this object is invisible under a vertical Sun.
[25] Mösting, Lalande, and Herschel form a fine triangle when the Sun has attained a great altitude. Mösting is a ray-centre.
[26] A ring-plain 37½ miles in diameter, with very irregular terraced walls.
[27] A range of mountains, with intervening valleys.
[28] Mädler describes this as a square enclosure with rampart-like boundaries, which “throw the observer into the highest astonishment.”
[29] A great walled plain, 91 miles in diameter.
[30] A walled plain, 55 miles in diameter, in which Schröter suspected changes.