on poverty of savage languages in abstract terms, [351]

Hobbes on the copula, [172], [173]

Hogg on a dog understanding words, [125]

Holden on the vocabularies of children, [372], [373]

Homo. See [Man]

Horace on the origin of speech, [240]

Horse, sign-making by, [97]

Hoste, Sir W., on intelligence of monkeys, [101]

[Hottentots], language of, [291], [373], [374]

Houzeau, on dogs seeking water in hollows, [51];