Shadrach and no other! "Pussy seems to have been on the prowl and to have met a dog," remarked Quick.
"Do you understand what has happened ?" asked Oliver, in a dry, hard voice.

"Perhaps I had better explain before anything is moved.

Shadrach must have crept in here last night--I don't know at what time, for I slept through it all--for purposes of his own.

But he forgot his old enemy Pharaoh, and Pharaoh killed him.

See his throat?
When Pharaoh bites he doesn't growl, and, of course, Shadrach could say nothing, or, as he had dropped his knife, for the matter of that, do anything either.
When I was woke up about an hour ago by the telephone bell the dog was fast asleep, for he is accustomed to that bell, with his head resting upon the body of Shadrach.