Light blue eyes looked keenly out of a warm grayish-yellow face; add to these a sharp reddish nose, pale lips, a spare, badly grown mustache and beard of a dirty color, and slight baldness.

His demeanor was suave and very submissive, his voice had the faltering persuasiveness which a natural and reasonable man dislikes, because it warns him that the speaker is lying in wait to take him by surprise.

Barinskoi, beside, never stood upright when he was speaking to any one.

He bent his back, his head hung forward, his eyes shifted their glance from the points of his own boots to other people's, his face was crumpled up into a smiling mask, and working his hands about nervously he crammed so many polite phrases and compliments into his conversation that he was a terrible bore to all his acquaintances.

Barinskoi, who was an accomplished spy, intended by his entrance into the laboratory to learn all he could in a circuitous way of persons and conditions.
After a short observation he noticed that Wilhelm seemed isolated in the midst of the others, and was treated coldly by every one except the professor.