It was their stiffness that preserved them intact from all human sympathy, from interesting at all the strangers seated round about them, among whom M. de Stermaria kept up the glacial, preoccupied, distant, rude, punctilious and distrustful air that we assume in a railway refreshment-room, among fellow-passengers whom we have never seen before and will never see again, and with whom we can conceive of no other relations than to defend from their onslaught our "portion" of cold chicken and our corner seat in the train.