on talking birds, [129], [130];

on ideation of deaf-mutes, [149], [150]

Rooks, intelligence of, [56], [57]

Roots of language. See [Language]

S

Sandwith on poverty of savage languages in abstract terms, [352]

Sanskrit. See [Language]

Sayce, Professor, on differences of degree and kind, [3];

on terms as abbreviated judgments, [170];

on the number of languages, [245];