Exhibit. An article to be shown in court as evidence.

“Flexible Curves.” An instrument for measuring enlarged curving lineations.

Fork. A Y-like figure.

Formula (pl. Formulæ). The arrangement of syllables or signs to denote a set of finger-prints.

Furrow. The hollow line between ridges, a sulcus.

Hook. A J-like figure in any position.

Index Finger. The finger used in pointing.

Junction. Where two lineations meet or break off.

Lineation. A line as printed, whether ridge or furrow.

Loop. A curved line which returns on itself.