"'The afternoon?'
"'In the afternoon it would be impossible,'
"'Then the evening—at the same hour?'
"'Perhaps,' she faltered—'if I am free.'
"'My number,' I told her, 'is five-four-two, one-nine. Can you write it now?'
"'I have written it.'
"'Please repeat, so that there may be no mistake.'
"'Five-four-two, one-nine. Correct?'
"'Correct. I am grateful.'
"'Good-night.'