Chromolithographs of places in Sri Lanka back when it was called Ceylon as they looked in 1881. Ernst Haeckel, the German zoologist who did all those illustrations of sea urchins. He published them in 1905 in his book “Die Naturwunder der Tropenwelt, Ceylon und Insulinde.”

Die “Roten Lampen” vom Ceylon “Ratu Pana”, Laterit-Felsen bei Bellige. 1905. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Haeckel_01.jpg
“Riesenbambus von Ceylon: Fahrt auf dem Schwarzen Fluß “Kalu Ganga”. 1905. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Haeckel_02.jpg
“Riesen-Myrte von Ceylon – Urwald von Horton-Plains”.1905. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Haeckel_04.jpg