The Adventure of Wisteria Lodge

Quite so. Why did they fly? There is a big fact. Another big fact is the remarkable experience of our client, Scott Eccles. Now, my dear Watson, is it beyond the limits of human ingenuity to furnish an explanation which would cover both of these big facts? If it were one which would also admit of the mysterious note with its very curious phraseology, why, then it would be worth accepting as a temporary hypothesis. If the fresh facts which come to our knowledge all fit themselves into the scheme, then our hypothesis may gradually become a solution.