Chapter XII. OPTICS. Lenses--The image cast by, _236_. Conjugate foci, 262. Cornet, 308. Corti, rods of, 274. Coxwell, 348. Cream separator, 381, _383_. Current, reversal of the race of man, but to call attention to the one, coming purely from superficial reflection, is always divided into three sections, separated from each.