Spoken to or commanded by others, he was simply a good-natured intelligent Newfoundland; but under the authority of Heliobas, he became more than human in ready wit and quick obedience, and would have brought in a golden harvest to any great circus or menagerie.
He was a never-failing source of wonder and interest to me, and even more so to the Prince, who made him the subject of many an abstruse and difficult discussion with his friend Casimir.

I noticed that Zara seemed to regret the frequent companionship of Ivan Petroffsky and her brother, and a shade of sorrow or vexation often crossed her fair face when she saw them together absorbed in conversation or argument.
One evening a strange circumstance occurred which startled and deeply impressed me.

Prince Ivan had dined with us; he was in extraordinarily high spirits--his gaiety was almost boisterous, and his face was deeply flushed.

Zara glanced at him half indignantly more than once when his laughter became unusually uproarious, and I saw that Heliobas watched him closely and half-inquiringly, as if he thought there was something amiss.
The Prince, however, heedless of his host's observant eye, tossed off glass after glass of wine, and talked incessantly.

After dinner, when we all assembled in the drawing-room, he seated himself at the piano without being asked, and sang several songs.