"It was then exactly five o'clock in the afternoon.
"Old Frick went up to his room and took his after-dinner nap. Miss Sigrid went out for a walk; she had been suffering from headache the whole day.
"At six o'clock they met again; she had been back a quarter of an hour, and awaited her uncle with afternoon tea in the sitting-room.
"The two sat together till seven o'clock, drank tea, and went through Sigrid's household accounts.
"At seven the young girl went again for a little walk, as her headache was no better.
"When Frick had seen her to the gate, he suddenly remembered that the door of the museum was not locked, and then he made the discovery that the diamond was gone.
"The gate-keeper Iverson had spent the time between five and half-past seven in the little lodge; he had been busy with some carpentering, and stood at the windows, which looked out on the gate and the road.
"I asked him if any one had passed in or out during that time. The key to the gate hung in the room where he was working, and he had himself let every one in and out.
"Yes, first there was Miss Sigrid, who went out at five and came home in about half an hour or three quarters.
"About six Evelina came home, but went out again at about half-past six.