On Cygnus Passmori, a supposed new American Swan
Published in Journal of the Proceedings of the Linnean Society of London. Zoology, in 1864, in volume 8, issue 29, pages 1-8
Date published:1864
Published in Journal of the Proceedings of the Linnean Society of London. Zoology, in 1864, in volume 8, issue 29, pages 1-8
Date published:1864