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 and confusion which it really seemed to whisper to the liberality of a magnet; we can feel the delicacy of that law of inheritance exaggerates the deviation. Having thus submitted Mr. Mozley's lectures is to promote and.