V o a auu a 09 o D o ru ? 0\ & ^Wvw zyu*-*t+ {?)**+ /iff/ 622 JOURNAL OF RESEARCHES INTOTHE NATURAL HISTORY AND GEOLOGY or THE COUNTRIES VISITED DURING THE VOYAGE OF H.M.S. BEAGLE ROUND THE WORLD, UNDERTHE Command of Capt. dftt$ tftop, 2&.$. By CHARLES DARWIN, M.A., F.R.S. SECOND EDITION, CORRECTED, WITH ADDITIONS. LONDON: \ - JOHN MURRAY, ALBEMARLE STREET. 1845. TO CHARLES LYELL, Esq., F.R.S., THIS SECOND EDITION IS DEDICATED WITH GRATEFUL PLEASURE, AS AN ACKNOWLEDGMENT THAT THE CHIEF PART OF WHATEVER SCIENTIFIC MERIT THIS JOURNAL AND THE OTHER WORKS OF THE AUTHOR MAY POSSESS, HAS BEEN DERIVED FROM STUDYING THE WELL-KNOWN AND ADMIRABLE PRINCIPLES OF GEOLOGY.