Read online The Edinburgh New Philosophical Journal, Vol. 53: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts; April 1852-October 1852 (Classic Reprint) - Unknown file in PDF Online

Excerpt from The Edinburgh New Philosophical Journal, Vol. 53: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts; April 1852-October 1852If the period of the drift involved only a repetition of the action of those geological causes which we recognise in earlier geological periods, it would still have an especial interest, as