XI On the Genus Colias
Elwes, Henry John, 1846-1922
Article
1880
Transactions of the Entomological Society of London
28
133--146
BioStor
English
London, The Society,
BioStor: https://biostor.org/reference/51188 DOI: https://doi.org/10.1111/j.1365-2311.1880.tb02026.x