"May the gods lean over your shoulder, sire," Taen whispered.

The two stepped into the glare of germicidal lamps, steel instruments, steel table, glinting knives of light, while the followers of the old man like dark crags lined the wall, a barrier to the door.

"Hypo."

The Assassin's breathing was as thunderous as the air blasting of a skar.

"Crank down the variable reflection viewer."

Desultory gunfire echoed through the dome city as Jeff focused the eyepiece until the scar tissue appeared like two black radishes extending into the gray blur of the forebrain. But when he increased the reflective depth the myelin covering of the optic chiasma glistened whitely. He exhaled with relief. There was still a gateway to the cerebrum.

The Assassin's breathing subsided to a gentle whisper.

"Scalpel."

While the gunshots rattled closer, Jeff cored into the dead tissue with the apparent unconcern of a boy cutting out the eye of a potato. But when he reached tissue of a pinkish tinge he moved with infinite caution.

The doctor was conscious of the huge cables of the efferent nerves that lay beneath his low-powered microscope and of the delicate two-fingered probe that moved among them, guided by control knobs rather than the coarse direct hand of man, testing, searching for life.