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The thigh bone corresponds to the humerus; the tibia and fibula to the ulna and radius; the ankle to the wrist; and the metatarsus and the phalanges of the foot, to the metacarpus and the phalanges of the hand. The bones of the lower limbs may be thus arranged: Thigh: Femur, or thigh bone, Lower Leg: Patella, or knee cap, Tibia, or shin bone, Fibula, or splint bone,

The parts to be deprived of sensibility were the chin, the right thumb, the region of the left deltoid, and that of the right patella." M. Berna would not accept these conditions, giving for his reason that the parts pointed out by the Commissioners were too limited; that, besides, all this was out of his programme, and he did not understand why such precautions should be taken against him.

That the patella is capable of being dislocated is beyond doubt, but the ordinary condition described under that term, when the stifle and hock are rigid while the foot is turned back with its wall on the ground, is nothing more than spasm of the muscles which keeps the patella drawn up.

The inferior extremity is formed by two convex articular surfaces that are separated by a deep notch, and a third pulley-like articular surface, with which the patella or knee-cap articulates. The pair of condyles articulates with the superior extremity of the leg bone. The thigh or femoral region is heavily muscled. THE LEG is formed by three bones.

Of marine animals there remain to be noticed a small Octopus, a Loligo, two Chiton, Patella, Crepidula, Pilcopsis, Fissurella, Calyptræa; of Concholepas, only empty shells; a large Mytilus, a small Modiola, Turritella, Turbo, Balanus; and a Holothuria of the variety Psolus.

Yes," he added, tenderly feeling the edge of his knife, "amputation is our only resource. Is it not so, Surgeon Patella?" turning toward that gentleman, as if relying upon some sort of an assent, however clogged with conditions. "Certainly," said Patella, "amputation is your only resource, Mr. Surgeon of the Fleet; that is, I mean, if you are fully persuaded of its necessity."

It is the seat of the affection known as "housemaid's knee," which is very common and is sometimes bilateral, and, less frequently, of tuberculous disease which usually originates in the patella. [Illustration: FIG.

On examining their sides in various parts, proof is afforded that these vast mountains have been heaved upwards from beneath the ocean. Shells are found 1300 feet above the sea, covered with marine mud. On a beach elevated 2500 feet above the Pacific, numerous species of patella and other shells can be picked up, identical with those obtained on the coast with the living animal inhabiting them.

The bony enlargement that results from the union of the broken ends of the bone may interfere with the passage of the foetus through the pelvic cavity and cause difficult parturition. This is a common accident in horses and mules. Young, immature animals are more prone to displacement of the patella than when mature. The displacement is usually upward or outward.

It is remarkable, that on the whole north-west coast of America down to California, no Patella, only animals of the genus Acmæa, were to be met with. Of the Chiton genus, six species were observed; in one, the side skin covers the edges of the shell so far as to leave only a narrow strip of it visible down the back; in others, the shell is entirely concealed under the external skin.