Logwood

[So called because it was brought to is Europe in logs.] A tree which grows in Central a America, on the Bay of Carn peachy, and some of the West India islands. The wood, sometimes called Carn peachy wood, is of a deep red color Lute. internally, and is very extensively used as a dye guitar wood. Logwood is sometimes used as a medicine. shape, imaginary lines which surround the earth at right angles to the equator and pa through the poles. Longitude is measured along the equator east or west from a standard line or meridian, that of Green wich, England, being usually employed. The length of a degree of OF COMMON THINGS 97 decreases north and south from the and vanishes at the poles, where the all meet. The cutting of forest timber for use. This has become an immense in the United States, more than 24,000,- feet being cut annually for various pur¬ The white pine has long been the favorite tree, but many others are used. [AS. lungen.) The lungs are the organs respiration. In man the lungs lie in the or chest on each side of the heart—the lung being a little shorter and broader than left lung. They are light, spongy bodies, of little cells which can be filled with air. blood sent from the right side of the heart the lungs is of a dark color, and contains carbonic acid gas while the blood taken; from the lungs back to the left side of heart is of a scarlet hue, and contains le acid gas and more oxygen. The oxygen THE LUNGS, WIND PIPE AND HEART taken from the air that enters the lungs, while nearly equal quantity of carbonic acid gas pa es from the blood outwards into the air, and is expelled from the mouth. (See Heart.) An ancient musical instrument, of the kind. It somewhat resembles the pear in aud was played by striking the strings with the fingers. It was in common use till the end of the 17th century, when the guitar took its place. [L. lynx.] An animal resembling the common cat, but with longer ears and a shorter tail. It preys on small quadrupeds and birds, and in pursuit of prey frequently climbs to 673