That was the mistake they made.

They should, as I have advised, have pinned it carefully to their coats.

A man may change his place at a table, quite unconsciously he may come out the other side of it; but wherever he goes he takes his coat with him.
Some time in the small hours, the chairman suggested that to make things more comfortable for those still upright, all the gentlemen unable to keep their heads off the table should be sent home.

Among those to whom the proceedings had become uninteresting were the three Englishmen.

It was decided to put them into a cab in charge of a comparatively speaking sober student, and return them.