Ozuin - On the Tendency of Species to form Varieties - eai gávdnon bohtosat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: On the Tendency of Species to form Varieties~.
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: On the Tendency of Species to form Varieties*.