erving ▁the ▁various ▁produ ctions ▁of ▁nature ▁was ▁published ▁in ▁London , ▁printed ▁for ▁Long man , ▁Hur st , ▁Re es , ▁Or me ▁and ▁Brown ▁in ▁ 1 8 1 8 . ▁Writ ten ▁in ▁the ▁tradition ▁of ▁Francis ▁Ba con , ▁it ▁expressed ▁the ▁belief ▁that ▁natural ▁history ▁was ▁about ▁the ▁expl oration ▁of ▁nature ' s ▁b ount y ▁for ▁the ▁benefits ▁it ▁could ▁bring ▁to ▁humans : ▁ ▁The ▁book ▁included ▁sample ▁pages ▁showing ▁the ▁layout ▁which ▁Gra ves ▁used ▁in ▁his ▁own ▁field ▁not ebook , ▁with ▁columns ▁for ▁recording ▁important ▁facts ▁about ▁these ▁points ▁as ▁each ▁item ▁was ▁observed . ▁This ▁encourag ed ▁collect ors ▁to ▁keep ▁a ▁field ▁not ebook ▁recording ▁the ▁information ▁needed ▁for ▁accurate ▁lab elling ▁and ▁a ▁formal ▁description ▁of ▁the ▁object . ▁Ex cer pts ▁from ▁these ▁field ▁not ebook s ▁were ▁often ▁included ▁in ▁published ▁descri ptions . ▁ ▁In flu ence ▁on ▁Dar win ▁In ▁August ▁ 1 8 2 5 ▁the ▁young ▁Charles ▁Dar win ▁bought ▁a ▁copy ▁of ▁A ▁Natural ist ' s ▁Comp an ion ▁by ▁Gra ves ▁in ▁anticip ation ▁of ▁se as ide ▁wal ks ▁with ▁his ▁older ▁brother ▁Er as mus ▁Al vey ▁Dar win ▁once ▁he ▁went ▁up ▁to ▁Edinburgh ▁in ▁October ▁of ▁that ▁year ▁to ▁begin ▁his ▁under grad uate ▁studies ▁at ▁the ▁University ▁of ▁Edinburgh . ▁The ▁brothers ▁went ▁for ▁regular ▁Sunday ▁wal ks ▁on ▁the ▁sh ores ▁of ▁the ▁F irth ▁of ▁For th ▁and ▁Dar win ▁kept ▁a