English, c.1900, each stamped in black 'KCL' - Kings College London, comprising of a hand painted linen backed poster titled 'Insecta, Metamorphoses of Gnat Culex', and stamped to the reverse 'Comparative Anatomy'; a hand painted linen backed poster titled 'Corethra Plumicornis Metamorphoses', and stamped to the reverse 'Comparative Anatomy'; a hand painted linen backed poster titled 'Chelifer Bravasii, Arachnida', and stamped to the reverse 'Comparative Anatomy', each 68cm x 86cm