Theaetetus. A very brilliant group of little hills E. of this formation.
Eudoxus A. A light-surrounded crater W. of Eudoxus, with distinct long streaks, one of which extends to the S. wall of Aristoteles.
Aristoteles A. A light-surrounded crater in the Mare Frigoris, N.E. of
Aristoteles.
Aratus. A very conspicuously brilliant crater in the Apennines, with a smaller light-surrounded crater W. of it.
Sulpicius Gallus. A light spot near.
Manilius. Surrounded by a light halo and streaks.
Taquet. Has a prominent nimbus, and indications of very delicate streaks.
Plinius A. Is surrounded by a well-marked halo.
Posidonius gamma. Among the hills E. of this formation a light spot resembling Linne, according to Schmidt. He first saw it in 1867, when it had a delicate black spot in the centre. Dr. Vogel observed and drew it in 1871 with the great refractor at Bothkamp. These observations were confirmed by Schmidt in 1875 with the 14-feet refractor at Berlin.
Littrow. A very bright light-spot with streaks, on the site of a little crater and well-known cleft E. of this ring-plain.