Part 137

CAP, n. PILEUS (which see). (30.)

CAP´ILLARY, a. or n. Of hair-like slenderness. The smallest bloodvessels are the capillaries.

CAPIS´TRATE, a. Hooded or cowled.

CAPIS´TRUM, n. Hood or cowl; front of head all around bill. (38.)

CAP´ITATE, a. Said of a feather having enlarged extremity.

CAPIT´ULUM, n. Head of a rib.

CAP´SULAR, a. Denoting certain ligaments that completely invest a joint.

CA´PUT, n.; gen. capitis, pl. capita. Head. (9, 29.)

CAR´DIAC, a. Pertaining to the heart.

CARI´NA, n. Keel; under ridge, as if a keel.

CAR´INATE, a. Keeled; ridged beneath as if keeled; having a keel, as the sternum of most birds.

CAR´INATE (birds), n. Those possessing a keeled sternum; the group Carinatæ as contrasted with Ratitæ.

CAR´NEOUS, a. Fleshy.

CARNIV´OROUS, a. Flesh-eating.

CAROT´ID (artery), a. for n. The principal bloodvessel of the neck, single in most birds, sometimes paired as in mammalia.

CAR´PAL, a. Pertaining to the wrist.

CAR´PAL AN´GLE, n. Prominence formed at the wrist-joint when the wing is closed. It is practically an important point regionally, since the universally used measurement, “length of wing,” is from this point to the end of the longest quill.

CAR´PUS, n. The wrist; especially its bones.

CAR´TILAGE, n. A whitish, hard, and solid, but elastic, flexible, and soluble, substance of the body, permanent, or becoming osseous by deposition of bone-earth. It occurs in the windpipe, in many joints, and elsewhere.

CARTILAG´INOUS, a. Like, containing, or consisting of, cartilage.

CAR´UNCLE, n. Small fleshy excrescence, particularly about the head, usually naked, and wrinkled, warty, or brightly colored.

CARUN´CULATE, a. Having caruncles.

CAU´DA, n. The tail. (69.) In descriptive ornithology, generally only the tail-feathers are meant. Cauda navicularis = BOAT-SHAPED TAIL (which see).

CAU´DAD. Backwards; toward the tail.

CAU´DAL, a. Pertaining to the tail; as, caudal vertebræ, or caudal extremity; but we hardly say caudal feathers.

CELL, n. Any closed sac containing fluid or other substance.

CEL´LULAR, a. Having cells; composed of cells.

CEN´TRE OF GRAV´ITY, n. Point of a body about which the whole is balanced, and which, if supported, supports the whole. In a flying bird the centre of gravity is below the middle of the body, so that the bird is naturally ballasted.