Oak, a Sacred Tree, 131 Oaths to Satan, 88 O'Brien on Beltane, 165 Observances at Loch Tay on Hallowe'en, 178 at Yule, 156 Odd Numbers Lucky, 109 Old Religions mixing with Christianity, 179 Omens connected with Bees, 115 with Magpies, 115 Onion, a Disinfectant, 127 Origin of Hallowe'en, 177 of All Souls, 177 Overturning Chair on Leaving Table, 138 Pales, Goddess of Flocks, 166 Palilia, Ancient Festival, 166 Pennant's Account of Beltane in the Highlands, 169 People Selling themselves to the Devil, 27 Person first met in the Morning, 136 Peruvian Ancient Sun Worship, 146 Phoenicians in Britain 1000 B.C., 148 Photographs not Lucky, 142 Place at Dinner, 138 Plants Gathered on St. John's Eve, 174 Plough first seen in Season, 136 Portends for Good or Evil, 136 Prayers Unanswered, Cause not Sought, 14 said Backwards, 134 Prayers to the Gods, 13 Precious Stones: their Virtue, 102 Preparations made for Yule, 156 Priests, their Office and Power, 9 Professor Veitch on Beltane, 162 Providence--General and Special, 18 Purgatory, Proof for, 172