Hutton (fossilist), b. [519].

Hutton (geologist), a. [456]; b. [515], [584].

Huyghens, a. [337], [343], [353], [357], [377], [387], [412]; b. [33], [62], [70], [86], [87].

Hyginus, a. [168].

Iamblichus, a. [214].

Ideler, a. [113].

Ivory, a. [372].

Jacob of Edessa, a. [209].

Jameson, Professor, b. [338], [514].

Job, a. [124].