Part 135

BARBAT´US, a. Bearded.

BAR´BICEL, n. Barb of a barbule, not hooked. Compare HAMULUS.

BAR´BULE, n. Barb of a barb. (148.)

BA´SAL, a. Pertaining to the base; situate at the base.

BASE, BA´SIS, n. Bottom; root; origin.

BASIHY´OID, n. Central tongue-bone.

BASIOCCIP´ITAL, n. Basal element of the occipital bone; centrum of hindermost cranial vertebra.

BASIPTER´YGOID, n. A boss or protuberance of the base of the sphenoid bone, often movably abutting against the pterygoid bone.

BASISPHE´NOID, n. Basal element of sphenoid bone; centrum of second cranial vertebra.

BEAK, n. Bill. See ROSTRUM. (9.)

BEL´LY, n. See ABDOMEN. (65.)

BELT, n. Bar or band of color more or less completely encircling the body.

BEND OF WING. Angle or prominence formed at carpus in the folded wing.

BEV´ELLED, a. Having two plane surfaces meeting obliquely.

BEV´Y, n. Flock of quail.

BI- (in composition). Twice; double.

BIBLIOG´RAPHY, n. History or other account of the literature of the subject.

BI´CEPS, n. Principal flexor muscle of forearm.

BI´NARY, a. Double, in sense of compounded of two.

BINO´MIAL, a. Of two terms. Also, noting a system of nomenclature in which each object has two names, generic and specific. This is the generally adopted system at present.

BIOL´OGY, n. The study of living beings, as to the laws and results of organization. It is more comprehensive than physiology.

BIOTAX´Y, n. Equivalent to taxonomy.

BIVEN´TER, n. Name of a double-bellied muscle of the neck.

BLAS´TODERM, n. Superficies of the early embryo.

BOAT-SHAPED (tail), a. Having plane of each side of tail meeting the other obliquely, making a re-entrance above and keel below.

BOOT, n. The tarsal envelope when entire.

BOOT´ED (tarsus), a. Having the tarsal envelope entire, i.e. undivided in most or all of its extent, by fusion of the usual scales or plates. (111.)

BO´REAL, a. Northern.