Cancels.—Leaves containing errors which are to be cut out and replaced with corrected pages.

Caps.—The leather covering of the headband. Applies also to the paper envelopes used to protect the edges while the volume is being covered and finished.

Case-Work.—Work in which the boards are covered and stamped. The volume is then glued upon the back and stuck into them.

Catch-Word.—A word met with in early-printed books at the bottom of the page, which word is the first on the following page. Now used to denote the first and last word in an encyclopædia or other book of reference.

Centre-Tools.—Are single, upright, or independent tools used for the middle of the panels by the finisher.

Clearing Out.—Removing the waste-paper and paring away any superfluous leather upon the inside, preparatory to pasting down the lining-paper.

Collating.—Examining the signatures, after the volume is gathered, to ascertain if they be correct and follow in numerical order.

Corners.—The triangular brass tools used in finishing backs and sides. The gilt ornaments used on velvet books. Also, the leather pasted on the corners of half-bound books.

Creaser.—The tool used in marking each side of the bands, generally made of steel.