She confined herself to a rather frequent ringing of the bedroom bell.

Her requests of the servants became orders, such as she would have given in a hotel or lodging-house, but no distinctly offensive word escaped her.

And this was almost entirely due to Louise's influence for the girl impressed upon her mother that 'to make a row' would be the sure and certain way of proving that Mrs.Mumford was justified in claiming social superiority over her guests.
The doctor, easily perceiving how matters stood, made no difficulty about the patient's removal in a closed carriage, and, with exercise of all obvious precautions, she might travel as soon as she liked.
Anticipating this, Mrs.Higgins had already packed all the luggage, and Louise, as well as it could be managed, had been clad for the journey.
'I suppose you'll go and order the cab yourself ?' she said to her mother, when they were alone again.
'Yes, I must, on account of making a bargain about the charge.

A nice expense you've been to us, Louise.

That man ought to pay every penny.' 'I'll tell him you say so, and no doubt he will.' They wrangled about this whilst Mrs.Higgins was dressing to go out.
As soon as her mother had left the house Louise stole downstairs and to the door of the drawing-room, which was half open.