CLAW

The narrow part of the base of a petal, taking the place of the footstalk of a leaf, of which it is a modification. The term is also used as a term of measure equal to a nail, or half an inch, or the length of the nail of the little finger. UNGUL.\. (Lat. aAoo/.) In Geometry, a solid formed by cutting off a part from a cylinder, cone, or other solid of revolution, by a plane pa ing obliquely through the base. The ungula is, consequently, bounded by the plane of the base, the intersecting plane, and the portion of the surface of the cylinder, . included between them. The name is derived from its resemblance to the hoof (ungula) of a horse. ' UNGULATES, Ungulata. (Lat. ungula, a hoof.) The name of a primary division of the cla Mammal i a, including those species which have the digits inclosed in hoofs, the under surface not being left free for the exercise of touch. See Mammal i a. [s. 1287]