With a sigh of relief, she hailed a taxicab and sank back into the corner.
She found Laura waiting for her, and a few minutes afterwards the two girls were examining the ashes with the aid of Quest's microscope.

Among the little pile was one fragment at the sight of which they both exclaimed.

It was distinctly a shred of charred muslin embroidery.

Lenora pointed towards it triumphantly.
"Isn't that evidence ?" she demanded.

"Let's ring up Inspector French!" Laura shook her head doubtfully.
"Not so fast," she advised.