19 x 12 cm (7.5 x 4.8 inches).Hylobates syndactylusMalaysia,Thailand,SumatraThis original antique chromolithograph was made in 1894 by John Gerrard Keulemans (1842-1912). Keulemans was one of the greatest scientific illustrators of animals . His illustrations are exceptionally detailed, accurate and..
20.5 x 11.5 cm (8 x 4.5 inches).This is an original hand colored engraving made in ~1797 from "Barr's Buffon" English edition of Georges-Louis Leclerc, Comte de Buffon,'s Natural History. The hand coloring is original, and the engraving is over 200 years old. It was made by copper plate engraving, h..