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.