"Palmar aspect of left fore foot of a black bear (Ursus americanus). scl, scapholunar; c, cuneiform; p, pisiform; tr, trapezium; t, trapezoid; m, magnum; u, unciform. The phalanges show a full series of sesamoid bones (unmarked)." -Whitney, 1911

Bear Foot

"Palmar aspect of left fore foot of a black bear (Ursus americanus). scl, scapholunar; c, cuneiform;…

"Right fore foot of Indian Elephant. U, ulna; R, radius; c, cunelform; l, lunar; sc, scaphold; u, unciform; m, magnum; td, trapezoid; tm, trapezium; I to V, first to fifth digit." —The Encyclopedia Britannica, 1903

Elephant Foot

"Right fore foot of Indian Elephant. U, ulna; R, radius; c, cunelform; l, lunar; sc, scaphold; u, unciform;…

A view of the left scaphoid seen from behind.

Left Scaphoid

A view of the left scaphoid seen from behind.

A view of the left scaphoid seen from in front.

Left Scaphoid

A view of the left scaphoid seen from in front.

The first metacarpal of the left hand.

Metacarpal

The first metacarpal of the left hand.

The second metacarpal of the left hand.

Metacarpal

The second metacarpal of the left hand.

The left trapezium as seen from the front.

Trapezium

The left trapezium as seen from the front.

The left trapezium as seen from the above and the mesal side.

Trapezium

The left trapezium as seen from the above and the mesal side.

Illustration of a trapezium, a quadrilateral which has no two sides parallel.

Trapezium

Illustration of a trapezium, a quadrilateral which has no two sides parallel.

Illustration of a trapezium, a quadrilateral having no two sides parallel. The diagonal is labeled in this illustration.

Trapezium

Illustration of a trapezium, a quadrilateral having no two sides parallel. The diagonal is labeled in…

The right trapezium bone.

Trapezium Bone

The right trapezium bone.

The left trapezoid as seen from the front, below, and outer side.

Trapezoid

The left trapezoid as seen from the front, below, and outer side.

Illustration of a trapezoid, a quadrilateral which has two and only two sides parallel.

Trapezoid

Illustration of a trapezoid, a quadrilateral which has two and only two sides parallel.

Illustration of a trapezoid, with the median drawn. The median of a trapezoid is parallel to the bases, and is equal to half the sum of the bases.

Trapezoid With Median

Illustration of a trapezoid, with the median drawn. The median of a trapezoid is parallel to the bases,…