General factor, in intellectual response, [310] f.

Generalisation, nature of, [280];

experiments on, [282] f.

Genius, [198].

Gesture, [222], [224];

definition of, [268];

language of, [267] ff.;

and origin of speech, [269] f.

Grey, neutral, a brain-sensation, [59];

physiologically mixed with all visual processes, [59] ff.;