Defiance, institution of the right of, ii. 95;
its abolition, 96.

De la Mare (Peter), opposes the duke of Lancaster, iii. [56];
conduct of the citizens on his imprisonment, [57];
elected speaker of the commons, [58].

Della Bella (Giano), improves the Florentine constitution, i. 424;
driven into exile, 425.

Derby (earl of). See [Bolingbroke].

Diet. See [Council].

Diet of Worms, important changes effected by the, ii. 94;
abolishes the right of defiance, 96;
establishes the imperial chamber, 97-99.

Domesday Book, origin of the term, iii. [362] [note] r.

Domestic life in the middle ages, iii. [341-345];
income and style of living, [370].

Douglas (earl of) aids Charles VII., i. 78.

Duelling, introduction of the practice of, iii. [294] and [note] u.