Sources Of Color

An interesting enumeration has been made by somebody and published in a technioal journal of the sources of color. From this it appears that the oochineal insects fnrnish the gorgeous carmine, crimson, scarlet, carmine and purple lakes; the ctittleflsh gives sepia - that is, the inky fluid which the flsh disoharges in order to render the water opaque when attacked ; the Indian yellow comes from the camel ; ivory chips produce the. ivory black and boneblack; the exquisite prussian blue comes from fusing horse hoofs and other refuse animal matter with impure potassium carbonate ; varions lakes are derived from roots, barks and gurns ; blue black comes from the charcoal of the vine stock; turkey red is made from the madder plant, which grows in Hindustan ; the yellow sap of a Siam tree produces gamboge ; raw sienna is the natural earth from the neighborhood of Siena, Italy ; raw umber is an earth found near Umbria and burned; india ink is made from burned uamphor ; mástic is made from the gum of the mástic tree, which grows in the Grecian archipelago; bister is the soot of wood ashes ; very little real ultramarine, obtained from the precious lapis lazuli, is found in the market ; the Chinese white is zinc, scarlet is iodide of mercury, and vermilion is from the quicksilver ore cinnabar.