Wasps, sign-making by, [88-90]
Watson on understanding of words by brutes, [125]
Wedgwood, on roots of language, [268];
on onomatopœia, [288]
Westropp, H. M., on intelligence of a bear, [51]
Whitney, Professor, on dependence of thought upon words, [83];
on superiority of voice to gesture in sign-making, [147], [148];
on our ignorance of polysynthetic languages, [255], [256];
on monosyllabic origin of language, [267];
on civilization of the Aryan race, [272];