report, a pane fell inwards on the carpet. They had set fire to

the lean-to outhouse, where Northmour used to nurse his negatives.

"Hot work," said Northmour. "Let us try in your old room."

We ran thither in a breath, threw up the casement, and looked

forth. Along the whole back wall of the pavilion piles of fuel had

been arranged and kindled; and it is probable they had been

drenched with mineral oil, for, in spite of the morning's rain,

they all burned bravely. The fire had taken a firm hold already on