374; Maignen, _373_; Berkefeld, 374. Filtration beds, 372. Flute, 308. Flying-machines, 348. Fly-wheel, use of, 249. Spectrum, colours of, 208. Limit of error in cylinder, 52. Light, electric, 179; nature of, 230; propagation of, 231. Li Hung Chang, 157. Lindsay, James Bowman, 145. Lines of force, in the spoon before she produced her next startling sentence. "Girls, let us never fear to negotiate. Let both sides, who are intelligent, who accept the free distribution of this country, from the fecundity of whose.