O.
Omissions, [81], [280-1], [291].
Optatus, [100], [108], [110], [120].
Origen, [2], [10], [31], [50], [51], [58], [100], [104-15], [117], [121], [122], [130], [162], [169], [242], [247], [255] note 6, [272], [280-1], [291];
his great influence, [162];
a Textual Critic, [149-54];
founder of the Caesarean school, [152-3], [162-5];
character, [152];
fancies, [169] note 2;