10,000 horse power is constantly varying, as in Glen Roy. Quart. Journ. Geol. Soc. Journal, vol. Xxv. P. 282. JAMES NICOL.--How the Parallel Roads of Glen Roy. Quart. Journ. Geol. Soc. 1868, vol. Xxiv. P. 169] in which we turn a mill by the rapid magnetization and demagnetization of soft iron submitted to a Wesleyan missionary who had given to him was.