Orang-outang

Originally published in 1699, Edward Tyson’s 'Orang-Outang, sive Homo Sylvestris' is widely regarded as the foundational text of primatology and comparative anatomy. Tyson, a physician and fellow of the Royal Society, sought to anatomically bridge the gap between humans and non-human primates, ultimately concluding that his subject—a chimpanzee, despite the title—shared more physiological traits with humans than with monkeys. This 1966 edition published by Dawsons is a notable facsimile reprint that made this rare, influential scientific study accessible to a new generation of historians and biologists.

The 1966 Dawsons reprint preserves the original's meticulous copperplate engravings and rigorous descriptive methodology, which provided the first systematic study of an anthropoid ape. By examining the structural similarities in the larynx, brain, and skeletal frame, Tyson’s work challenged the established Aristotelian view of a rigid hierarchy in nature. The publication remains a touchstone for those interested in the history of science, serving as both a primary source for the evolution of taxonomy and an aesthetic example of seventeenth-century scientific illustration.