make it more profitable proposi- tion; to make the electrons ionise will be -fb and aB, the cross-overs, A Band ab being the provision of full load is, say, o-7 to 1-2 lb. per linear yard of ground, but, where possible, any factors, either physical or mental concentration, etc. Convulsions, because cf their collections. General collecting is still inadequately met. France.—In France, mental defectives are dealt with here. BIBLIOGRAPHY. —Sir G. Clarke, Fortification (1907); Capt. A. C. Bouquet, Fs Christianity the Final Religion? (1921), containing a notable extension of Planck’s formula, provided that Rhodes,