P. 100.—“Paolo di Colli,” pä-oˈlo dē colˈlee; “Gratarole,” grät-ä-rōˈlee; “Cor-räˈdo;” “Teglio,” täˈglē-o.
P. 103.—“Vives,” vēˈvace; “Ponce de la Fuente,” pōnˈthā dā lā fwenˈtā; “Enzinas,” en-zēˈnas; “Valladolid,” väl-yä-dō-leedˈ; “Varelo,” vä-rāˈlo; “Ægidius,” ē-gidˈē-us.
P. 104.—“Hernandez,” her-nanˈdā; “Boborguez,” bō-borˈgā.
P. 110.—“Cyriace,” si-rēˈä-see.
P. 116.—“Dollinger,” dolˈling-er. A learned Catholic theologian, born at Bamberg, in 1799. He has published a church history, and several other works.
CHEMISTRY.
P. 169.—The formula (N₂O₂) shows that two atoms of nitrogen have united with two atoms of oxygen to form a molecule of nitrogen di-oxide. The formula Cu (NO₃)₂ shows that one atom of copper has united with two molecules, each composed of one atom of nitrogen and three atoms of oxygen, to form one molecule of cupric nitrate. In like manner Fe₂ (NO₃)₆ indicates that two atoms of iron have united with six molecules, each composed of one atom of nitrogen and three atoms of oxygen, to form one molecule of ferric nitrate.
P. 173.—“Refractive power” of water. When a ray of light strikes the surface of a new medium, a portion of it is turned out of its original course or refracted. This gives rise to some well-known effects. When any object is placed in water and viewed obliquely it looks to be nearer the surface than it is, because the light in passing from the denser medium takes a direction more inclined to the horizontal, and an object always appears directly in line with the ray of light entering the eye.
P. 178.—“Crécy,” kresˈse. This battle took place August 26, 1346, between the English under Edward III. and the French under Philip VI. It is said that Edward had six pieces of artillery. Artillery had probably not been used in the field before this time.
P. 182.—“Trinˌi-tro-cĕlˈlu-lose.”