She was sliding a splinter of glass under a frosted screen, and depressing a button, and bending. Tyr watched, wondering what she sought.
"That is too bad," she murmured. "For if you—you—you—ohh!"
Her face whitened as she stared at him.
"What is it?"
"Your blood ... if it is blood. It is so—so different!"
Katha put out a white hand and deflected a switch on the wall. A section of panelling slid back, disclosing a screen on which stood the three-dimensional images of the black-cloaked men in the throne room.
"Space Commander, I must see you. Already the preliminary test has disclosed revolutionary reactions."
Her voice was excited. It made the bald, lean man jump a little. Tyr saw him stride toward him, loom larger and larger, walk out of the screen and—disappear. A moment later, the laboratory door opened and Mason entered.
"What is it, Katha?" he said coolly.