And these gentlemen--" "This is Mr.Sherlock Holmes, and this is Dr.Watson." "A doctor, eh ?" cried he, much excited.

"Have you your stethoscope?
Might I ask you--would you have the kindness?
I have grave doubts as to my mitral valve, if you would be so very good.

The aortic I may rely upon, but I should value your opinion upon the mitral." I listened to his heart, as requested, but was unable to find anything amiss, save indeed that he was in an ecstasy of fear, for he shivered from head to foot.

"It appears to be normal," I said.

"You have no cause for uneasiness." "You will excuse my anxiety, Miss Morstan," he remarked, airily.