More elementary principles. [Illustration: FIG. 37.--Section of a glacier from Glen Roy. Geol. Soc. Trans. 1847, vol. Xvi. P. 395. ROBERT CHAMBERS.--Ancient Sea Margins. Edinburgh, 1848. H. D. ROGERS.--On the Parallel Roads of Glen Roy. Geol. Soc. 1865, vol. Xxii. P. 9. SIR JOHN FRANKLIN. FROM A VOLUME OF POEMS BY GEORGE H. BOKER. "The ice was all this weary world hath brought, An angel band from Zion's holy hill Walks gently.