XX. Notes on the Geographical Distribution of the British Butterflies
Published in Transactions of the Royal Entomological Society of London, in 1860, in volume 10, issue 6, pages 229-235
Date published:1860-07
Published in Transactions of the Royal Entomological Society of London, in 1860, in volume 10, issue 6, pages 229-235
Date published:1860-07