in fluid equilibrium, [374];

indicative of thin air, [162], [167].

Surface features, reality of, proved, [26], [33].

Syrtis Major, [22];

first marking made out, [23].

Tempe, white in, [77], [80].

Temperature, [78], [147], [165], [166];

effect on life, [358].

Terminator, projections on, [77], [81], [96], [100-107], [114], [165];

depressions on, [164].