He can't put them back into his safe, and he keeps the key himself.

Where is the bag they go in ?" Aurelia said that she had seen him put it behind a certain jar on the chimney-piece in the morning-room, and Carr went for it, she following him with a candle, as all the lamps had been put out.

They presently returned with it, and Ralph, who had been collecting all the jewels spread over the table, shovelled them in with little ceremony.
"Bother!" he said again, looking round and swinging the bag; "what on earth am I to do with them?
Ah, well, here goes!" and he opened a side drawer in a massive writing-table and shoved the bag in.
"There!" he said, locking it, and putting the key in his pocket; "they will do very well there till to-morrow.

Are you content now, Aurelia ?" "Oh yes," she said, "I am, if you are." And she bade us good-night and followed in the wake of the others, who were really under way at last.
As we all tramped wearily up-stairs to the smoking-room I saw Charles draw Ralph aside and whisper something to him.
"Nonsense!" I heard Ralph say.

"Safe enough.