lantern fly

1. Sing .: The genus Fulgor a. IMG:content-0358.png:[blocks in formation] 2. To put to death by hanging from a lamp-post. lăn'-than-ite, s . [Named from the metal lan thanum by Haidinger; suff. -ite (q. v.); German lan than it.] Min.: A mineral occurring in thin plates or tables, sometimes with beveled edges. Crystallization, orthorhombic; cleavage, micaceous. Hardne , 2.5-3; specific gravity, about 2.6. Luster, pearly; color, grayish-white, pinkish, yellowish. Composi tion: A hydrated carbonate of lanthanum, represented by the formula LaOCO2+3HO. Effervesces with acids. lăn-than-öç-er-ite, s . [Gr. lanthanō = to lie hid, and Eng. cerite.] Min.: A variety of cerite (q. v.), containing nearly 10 per cent. of water, and much lanthanum and didymium, with but little cerium.