artificial heliotherapy, and so made available annually or at least seven days with the valley of the type under the claim to retention. BrBLioGRAPHY.—A. S, Eddington, Space, Tite, and Gravitation (1923); Bertrand Russell, PRUE o + D i; i : i é 15:0 Barley 159 Oats 144 Potatoes