ON THE OCCURRENCE IN ENGLAND OF HELICELLA NEGLECTA (DRAP.)
Published in Proceedings of the Malacological Society of London, in 1917, in volume 12, issue 4, pages 133-134
Date published:1917-04-01
Published in Proceedings of the Malacological Society of London, in 1917, in volume 12, issue 4, pages 133-134
Date published:1917-04-01