There's another one waiting for you if you can bring any more information.

Good-night!" "Good-night, sir, and thank you!" John Clayton departed chuckling, and Holmes turned to me with a shrug of his shoulders and a rueful smile.
"Snap goes our third thread, and we end where we began," said he.

"The cunning rascal! He knew our number, knew that Sir Henry Baskerville had consulted me, spotted who I was in Regent Street, conjectured that I had got the number of the cab and would lay my hands on the driver, and so sent back this audacious message.

I tell you, Watson, this time we have got a foeman who is worthy of our steel.

I've been checkmated in London.
I can only wish you better luck in Devonshire.