1. C.192.c.1, 4(209) Reference (shelfmark): C.192.c.1, 4(209) Title: Polysiphonia fastigiata. Photographer: Atkins, Anna Scope & Content: Genre: Scientific Photography Cyanotype negative photogram of five algae specimens, on paper watermarked, 'J. Whatman Turkey Mill 1846.' Collection Area: Printed Collections Languages: Not applicable Date Range: c 1846 Extent: 1 item