Manylion am y math o ddogfen lywodraethu sydd gan yr elusen a phan y'i sefydlwyd. Nid dyma destun llawn dogfen lywodraethu'r elusen.
ROYAL CHARTER 1802 (THE ORIGINAL CHARTER) AND SUPPLEMENTAL CHARTERS 1904 AND 2005 And Royal Charter granted on 22 May 2025as amended by supplemental Charter 22 May 2025
Gwrthrychau elusennol
FOR THE CULTIVATION OF THE SCIENCE OF NATURAL HISTORY IN ALL ITS BRANCHES.
Maes buddion
Y maes y gall yr elusen weithredu ynddo, fel y nodir yn ei dogfen lywodraethu.
