back the angry words, and turned and looked over her shoulder
into the room. 'Do you think you will need anything more, Dr
Ferguson?' she asked in a sepulchral voice.

Again Lawford's lips moved; again he shook his head.

'One moment, Ada,' she said closing the door. 'Some more
medicine--what medicine? Quick! She mustn't suspect.'

'"What medicine?"' repeated Lawford stolidly.

'Oh, vexing, vexing; don't you see we must send her out? Don't
you see? What was it you sent to Critchett's for last night? Tell
him that's gone: we want more of that.'

Lawford stared heavily. Oh, yes, yes,' he said thickly, 'more of
that....'

Sheila, with a shrug of extreme distaste and vexation. hastily
opened the door. 'Dr Ferguson wants a further supply of the drug
which Mr Critchett made up for Mr Lawford yesterday evening. You
had better go at once, Ada, and please make as much haste as you
possibly can.'

'I say, I say,' began Lawford; but it was too late, the door was
shut.

'How I detest this wretched falsehood and subterfuge. What could
have induced you....?'