ten o'clock
What it might be he had no notion , being all unversed in the mysteries of the pharmacopoeia ; but she told him that it had belonged to her now defunct husband , who had always said that ten drops of it would make a man sleep the clock round . He experimented on the Captain with ten drops , and within a quarter of an hour of taking the draught of red wine in which it was administered , Charlot 's deep breathing proclaimed him fast asleep . That done , La Boulaye sent Guyot below to his post once more , and returning to the room in which they had supped , he paced up and down for a full hour , revolving in his mind the matter of saving Mademoiselle and her mother . At last , towards ten o'clock , he opened the casement , and calling down to Guyot , as Charlot had done , he bade him bring the women up again . Now Guyot knew of the high position which Caron occupied in the Convention , and he had seen the intimate relations in which he stood to Tardivet , so that unhesitatingly he now obeyed him . La Boulaye closed the window , and crossed slowly to the fire . He stirred the burning logs with his boot , then stood there waiting .