Green sea urchin, Psammechinus miliaris 1, 4, Echinometra digitata prima 2, long-spined urchin, Diadema setosum 3
FLO4652381 Green sea urchin, Psammechinus miliaris 1, 4, Echinometra digitata prima 2, long-spined urchin, Diadema setosum 3, and other varieties. Handcoloured copperplate engraving by G.W
Sea urchins, red 1, green 2.5, yellow 6, brown 3.4, and spines 7-11. Handcoloured copperplate engraving from Friedrich
FLO4577377 Sea urchins, red 1, green 2.5, yellow 6, brown 3.4, and spines 7-11. Handcoloured copperplate engraving from Friedrich Johann Bertuch's Bilderbuch fur Kinder (Picture Book for Children)