Rilalengnna assureng iya e ke-3 taung 1861 Darwin mappattongeng narekko tau laing e–pada laona Willian Charles Wells pole taung 1813, nenniya Patrick Matthew pole taung 1831– purani mappacumpa werekkada iya pada-padanna, naekiyya de ripallebbangi  iyarega nakkitangi rilalengnna siarang mannessa  tau maega e.