Mental Evolution in Man: Origin of Human Faculty

by George John Romanes

L

Landois on sign-making by bees, [90]

Langley, S. P., on intelligence of a spider, [62], [63]

Language, in relation to brain-weight, [16];

abstraction dependent on, [25], [30-39];

not always necessary to thought, [81-83];

etymology and different signification of the word, [85];

categories of, [85-89];

as sign-making exhibited by brutes, [88-102];

of tone and gesture, [104-120];