THE HISTORY OF THE OLDEST KNOWN ROCKS CONTAINING ORGANIC REMAINS, WITH A BRIEF SKETCH OF THE DISTRIBUTION OF GOLD OVER THE EARTH. BY SIR RODERICK IMPEY MURCHISON, G.C.S.S.; D.C.L.; M.A.; F.R.S.; F.L.S.; HON. MEM. R.S. ED.; R.I.A.; EX-PRESIDEnt of the GEOLOGICAL AND ROYAL GEOGRAPHICAL SOCIETIES OF LONDON; TRUSTEE OF CORR. INSTITUTE OF FRANCE. "Where were we when these grains of sand were assorted? Compared with their date, the fall |