fore, as we had carried out an alteration of the apparatus and intended to try sparking upon the pole again after dark, I rang Roseye up on the telephone shortly after five o'clock.
Mulliner, Lady Lethmere's maid, replied, and a few minutes later Lady Lethmere herself spoke to me.
'Oh, I've rung you up at your rooms half a dozen times to-day, Mr. Munro—but could get no answer!' she said.
'Being Sunday, my man is out,' I exclaimed. 'I'm down here at Gunnersbury.'
'Can you take a taxi at once, and come over and see me?' she urged. 'I want to speak to you immediately.'
'What about?' I asked anxiously.
'I can't say anything over the telephone,' she answered in a distressed voice. 'Do come at once, Mr. Munro. I am in such trouble.'
I promised. And after briefly relating the curious conversation to Teddy, I found a taxi, and at once drove to Cadogan Gardens.
'Mr. Munro!' exclaimed Lady Lethmere, looking at me with a pale, anxious expression as I entered the morning-room. 'Something has happened!'
'Happened—what?' I gasped.
'Roseye! She went out yesterday morning to go over to Hendon to meet you—she told me—and she's not come back!'
'Not back!' I cried, staring at her. 'Where can she be?'
'Ah! That's exactly what I want to know,' re-
