MortimerTregennisexplainedthatthenightwascoldanddamp。For
thatreason，afterhisarrival，thefirewaslit。“Whatareyou
goingtodonow，Mr。Holmes？“heasked。
Myfriendsmiledandlaidhishanduponmyarm。“Ithink，Watson，
thatIshallresumethatcourseoftobacco-poisoningwhichyouhaveso