Here is a wrath and speed unknown to the quadrupeds of this present Long Street.

It was so slippery and the wind so tugged and pulled to throw me off, that although I endangered my dignity, I played the quadruped on the narrower parts.

Audubon and Bachman's "Quadrupeds of North America.

Birds exceed quadrupeds in the quantity of their respiration, for they have not only a double circulation, and an aerial respiration, but they respire also through other cavities beside the lungs, the air penetrating through the whole body, and bathing the branches of the aorta, or great artery of the body, as well as those of the pulmonary artery.

I fancy some jilted, jaundiced descendant of the sea-rovers, retiring to his castle, and endeavoring, by mating some ugly bloodhound with a wild wolf, to produce a quadruped as fierce and cowardly and treacherous as man or woman may be.

So Private W., tired of his foot-soldiering, got a quadruped under him, and felt like a cavalier again.

D'AZARA, a Spanish naturalist, born in Aragon; spent 20 years in South America; wrote a "Natural History of the Quadrupeds in Paraguay" (1781-1811).