He endeavoured to muster up an air of intrepidity to his brow, but it was plainly perceptible that he was a prey to a deadly and sickening fear.

Shearman affected not to see this, but it did not escape his notice.

“The poor creature died by poison—​did she?” said Bourne, after a pause.

“Yes, doctor, that has been clearly demonstrated.”

“Was it a case of suicide, then?”

“No, murder!” exclaimed the detective, sententiously.

“And whom do you suspect?”

“Her husband.”

“Mr. Wagstaff?”

“He went by the name of Wagstaff when in the States, but we concluded that he would not be fool enough to pass under the same name here, and I believe the presumption is a correct one.”