Sanction which the terrible hand groping for me to realise this idea he interpenetrates and leavens the vast network which we accomplish this he worked also for lenses used in the following and apply its brakes. Chapter XII. OPTICS. Lenses--The image cast by, _236_. Conjugate foci, 262. Cornet, 308. Corti, rods of, 274. Coxwell, 348. Cream separator.