Sound, Aryan words for, [411].
Sound, broad degrees of, [437].
South Turanian class, [105].
Southern division of the Aryans, [212].
Spanish translation of fables, called “Calila é Dymna,” [161].
Species, a thing of human workmanship, [438].
—— Darwin’s book an attempt to repeal the term, [439].
Specific differences, two classes of, [441].
Speech, geology and chemistry of, [449].
Spencer’s “First Principles,” [341].