This grim oasis in the very centre of the hardest and bitterest existences was now deserted.

The dull, heavy swash of the dirty Clyde and the distant hum of the sorrowful voices of humanity in the adjacent streets hardly touched the sharp, cutting accents of the two quarrelling men.

No human ears heard them, and no human eyes saw the uplifted hands and the sway and fall of Robert Leslie upon the smutty and half melted snow, except David's.
Yes; David saw him fall, and heard with a strange terror the peculiar thud and the long moan that followed it.

It sobered him at once and completely.

The shock was frightful.