Part 136

BOSS, n. Stud; knob; protuberance; short stout process.

BRACH´IAL, a. Pertaining to the wing.

BRACHYP´TEROUS, a. Short-winged.

BRACHYU´ROUS, a. Short-tailed.

BREAST, n. (62.) See PECTUS.

BRIS´TLE, n. Small stiff hair-like feather, especially about the mouth or eyes. Compare VIBRISSA.

BRON´CHIAL, a. Pertaining to the bronchi.

BRON´CHUS, n.; pl. bronchi. Fork or branch of the windpipe below, leading to either lung.

BUC´CAL, a. Pertaining to the cheeks internally.

BUFF, BUFFY; a. Pale brownish-yellow; color of yellow buckskin.

CADU´COUS, a. Falling off early.

CÆ´CAL, a. Pertaining to the cæca.

CÆ´CUM, n.; pl. cæca. (Pronounced see´cum.) Intestinal cul-de-sac at junction of smaller and larger intestines, usually present paired in birds; sometimes a foot long. (Also written cœcum, cœca.)

CAL´AMUS, n. Quill; the dry, hard, horny portion of the stem of a feather below the web, hollow or partly pithy, and translucent. Calamus + rhachis = scapus. (145.)

CALCA´NEAL, a. Pertaining to the back upper portion of the tarso-metatarsus (tarsus of ordinary language).

CALCA´NEUM, n. Heel; back upper part of tarso-metatarsus. Same as talus. (107.) One of the tibial condyles is by some regarded as the homologue of the calcaneum.

CAL´CAR, n. Spur; sharp horn-covered bone-cored process on the shank of many birds; also, similar horny process on the metacarpal bone.

CALCARAT´US, a. Spurred.

CALCA´REOUS, a. Chalky. A cormorant’s egg is covered with calcareous substance.

CALCIF´IC, a. Calcifying; an epithet of that portion of the oviduct where the egg-shell is formed.

CALIG´ULA, n. Same as BOOT (which see).

CAL´LUS, n. New bony matter joining a fracture.

CALYPTE´RIA, n. pl. Tail-coverts; the smaller feathers underlying or overlying the base of the tail. (Little used.) See CRISSUM and TECTRICES CAUDÆ. (71.)

CA´LYX, n. Pedicellated ovarian capsule of two membranes with lax tissue and vessels, rupturing at a point called the stigma to discharge the ovum, then collapsing and becoming absorbed.

CAMPTE´RIUM, n. Front and outer border of wing as far as the bone extends. (Little used.) (95.)

CANALIC´ULUM, n. Little groove.

CAN´CELLATED, a. Denoting bony network.

CAN´THUS, n.; pl. canthi. Corner of eye where the lids meet; commissural point of eyelids. Canthi are anterior and posterior.