Calliculæ. A kind of very thin metal disk, more or less ornamented, worn by rich Christians, and especially priests, as an ornament for the dress. Calliculæ were also made of purple-coloured cloth. Many of the pictures in the catacombs represent persons wearing calliculæ on their colobia and other garments. (See Colobium.)

Callisteia (καλλιστεῖα). A Lesbian festival of women, in which a prize was awarded to the most beautiful.

Callot. A plain coif or skull-cap (English).

Calones (κᾶλα, wood). (1) Roman slaves who carried wood for the soldiers. (2) Farm servants.

Calote, Fr. A species of sabre-proof skull-cap worn in the French cavalry.

Calotype. A process of printing by photography, called also Talbotype.

Calpis, Gr. A water-jar with three handles, two at the shoulders and one at the neck.

Calthrops. (See Caltraps.)

Fig. 125. Caltrap.