Stationary planets, a. [139].

Stations (of plants), b. [562].

Sympathetic sounds, b. [37].

Systematic Botany, b. [357].

Systematic Zoology, b. [412].

Systems of crystallization, b. [328].

Tables, Solar, (of Ptolemy), a. [146].

Tables, Hakemite, a. [177].

Tables, Toletan, a. [177].

Tables, Ilchanic, a. [178].