So they passed, and soon they were gone down another black-throated byway.

They padded noiselessly along in the darkness to turn again presently, pausing finally before a low, steel-walled house, typical of the strongholds of prudent merchants of the port. No lights were visible within it; all seemed asleep.

Silence filled the narrow street, and unrelieved darkness. Occasionally a desultory breeze brought sounds of a burst of revelry from the Street of the Sailors; once the ports of an outbound space-ship flashed overhead for an instant. But there was mainly silence and darkness, and in it the five men, parleying close together in toneless whispers.

After a little they separated. On cat's feet four of them stole around the sides of the house. The fifth, drawing the black, pointed tube from his slash, crept up to the front entrance-port and held the tip to it. Blue light sparkled fantastically, revealing his impassive face, outlining his crouching body. Then, quite suddenly, the port appeared to melt inward, and he disappeared into the blackness of the interior.

Presently there came a stir of movement, a whisper, a rustle from inside. A challenge, shouts volleying forth, a scream, another, and the peculiar rattling sound that comes from a dying man's throat. Then again silence.

Five shadows melted from the front entrance-port. They were carrying something black and still and heavy between them.

The errand was done....

CHAPTER VII

The Coming of Leithgow