the youngest of three brothers of whom Sir Charles was the elder.
The second, who died young, was the father of Henry.  The third, Roger,
was the black sheep of the family, He came of the old masterful
Baskerville strain, and was said to be the very image of the family
picture of old Hugo.  He had made England too hot for him, fled to
Central America, and died there in 1876 of yellow fever. Henry was the
last of the line. Mortimer's concern was that Henry would be in great
danger if he went to Dartmoor; yet he feared for the prosperity of
Baskerville Hall. If there was a diabolical agency at work on Dartmoor,
replied Holmes, it was as likely to get Sir Henry in London as in
Devonshire. He asked Mortimer to say nothing about his fears, and to
return to Baker Street with Sir Henry at ten o'clock tomorrow morning.
Mortimer scribbled the appointment on his shirt-cuff and
