"You can 'ear it?"

"It's close to the chink."

"That's a rat's tooth gnawin'. Hi'm a-winkin' at you, Bobbs."

"Are you cutting into the wall?"

"Look 'ere, chummy. Dobbs 'as given hall the confidence so far, and Bobbs 'as given none. 'Ow is Dobbs to know Bobbs is true blue?"

This was a puzzler. Robert did not feel prepared to abet prison-breach yet, if that was the cracksman's aim, though his own feeling toward the authorities was anything but submissive.

"Hi'm 'urt, Bobbs. Hi've a sensitive nature and a large bump of curiosity, both of w'ich is offended by my chummy's lack of confidence in me. But Hi'll prove Hi'm true blue, wotever Bobbs says. Chummies is chummies and bobbies is bobbies, there's the distinction Hi draw. Do you 'ear the tooth?"

The gnawing sound became louder at Robert's ear.

"That's a hinstrument Hi hown w'ich Hi wouldn't show to the Pelican 'imself, but Bobbs shall see it and feel it if he likes."

"Is it a file?"