This was all in dumb show.

Not a word did I hear.

My amazed wits were fully taken up with noting their clothes, their postures, the trappings of the horses, the eighteenth century aspect of the library.

Strange, is it not, I did not look at their faces ?" Hume paused to gulp down the contents of his tumbler.

Brett said not a word, but sat intent, absorbed, wondering, with eyes fixed on the speaker.
"All at once the dispute became vehement.