He received them in his cabin with great urbanity.

Urbanely he desired to have the honour of being acquainted with their names.
Lord Julian, sick with horror of the spectacle he had just witnessed, commanded himself with difficulty to supply them.

Then haughtily he demanded to know in his turn the name of their aggressor.

He was in an exceedingly ill temper.

He realized that if he had done nothing positively discreditable in the unusual and difficult position into which Fate had thrust him, at least he had done nothing creditable.
This might have mattered less but that the spectator of his indifferent performance was a lady.