Did, origin of, as a preterite, [233].

Diez, Professor, his “Comparative Grammar of the Six Romance Dialects,” [196].

Dionysius Thrax, the author of the first practical Greek grammar, [100].

Dionysius of Halicarnassus, on the Pelasgi, [125] note.

Discussion, etymology of, [52].

Dorpat dialect of Esthonian, [318].

Du, origin of the French, [74].

Dual, the, first recognized by Zenodotus, [99].

Dumaresq, Rev. Daniel, his “Comparative Vocabulary of Eastern Languages,” [143].

Duret, Claude, his work on language, [132] note.