Scanned by Martin Adamson martin@grassmarket.freeserve.co.uk The Naturalist on the River Amazons by Henry Walter Bates AN APPRECIATION BY CHARLES DARWIN Author of “The Origin of Species,” etc. From Natural History Review, vol. iii. 1863. IN April, 1848, the author of the present volume left England in company with Mr. A. R. Wallace–“who has since acquired