Obolus, [392].
Ocellaria inclusa, [247].
Odontopteris Schlotheimii, [116].
Œningen, near Constance, [200], [559], [627], [731], [741], [765], [812].
-------, fossil fox of, [812].
------- fossil insects from, [559].
Offenbach, [739].
Offham, Sussex, [267].
Ogygia Buchii, [537].