“On the contrary, we both go back to London by the night train.”

I was thunderstruck by my friend’s words. We had only been a few hours in Devonshire, and that he should give up an investigation which he had begun so brilliantly was quite incomprehensible to me. Not a word more could I draw from him until we were back at the trainer’s house. The Colonel and the Inspector were awaiting us in the parlor.

“My friend and I return to town by the night-express,” said Holmes. “We have had a charming little breath of your beautiful Dartmoor air.”

The Inspector opened his eyes, and the Colonel’s lip curled in a sneer.

“So you despair of arresting the murderer of poor Straker,” said he.