Prom. Aenarium. A steep bluff situated at the northern end of a plateau, some distance E. of Arzachel, in S. lat. 18 deg., E. long. 9 deg. It rises some 2000 feet above the Mare Nubium.
Euclides zeta and chi. Two mountain masses N. of this formation in S. lat. 5 deg.; zeta rises about 1700 feet above the Mare; both are evidently offshoots from the Riphaean range.
Landsberg H. An isolated hill in S. lat. 4 deg., E. long. 25 deg.
Nicollet C. S.E. of Nicollet, in S. lat. 22 deg., E. long. 17 deg.; is hemmed in by a mountain mass rising to more than 2000 feet above the Mare Nubium.
The Stag's-Horn Mountains. At the S. end of the straight wall, or "railroad," in S. lat. 24 deg., E. long. 8 deg., a curious mountain mass rising about 2000 feet above the Mare Nubium.
Lacroix delta. A mountain more than 7000 feet high, N. of Lacroix.
Flamsteed E. A mountain of more than 3000 feet in S. lat. 4 deg., E. long. 51 deg.
D'Alembert Mountains. A very lofty range on the E. limb, extending to S. lat. 11 deg.
The Cordilleras. Close to the E. limb; they lie between S. lat. 8 deg. and S. lat. 23 deg.
Rook Mountains. On the E. limb, extending from about S. lat. 18 deg. to S. lat. 35 deg. According to Schroter, they attain a height of 25,000 feet.