[NATURAL HISTORY - MEDICINE] - FERTEL. Set of 4 large atlases of 19th century anatomical drawings. [Paris, circa 1820-1830]. - 4 in-plano atlases, half-maroquin green long grain wedge-shaped (period binding). The most important of these atlases contains hundreds of lead pencil and watercolour drawings made around 1820 by Fertel, relating to the study of the animal and human brain: Formation of the Bird's Brain during Incubation (pigeons, hens, ducks, parrots, magpie, swallow, kinglet, pheasant, golden eagle, etc.), the formation of the Bird's Brain during Incubation, and the formation of the Bird's Brain during Incubation (pigeons, chickens, ducks, parrots, eagle magpie, swallow, kinglet, pheasant, golden eagle, etc.).) - Formation of the Brain in Reptiles (including hawksbill turtle) - Fish Brain - Formation of the Brain in Human Embryo, Rabbit, Didelphs - Brain of human fetus at term, kid fetus, carnivores, Rodents, Insects, calf, Mole - Origin of nerves - Unfolding of the Seal Brain. Etc. All these drawings are spread over 157 sheets of 588 x 440 mm, bound at the time in green long-grain half-marocco with corners. Fertel had illustrated Étienne-Renaud-Augustin Serres's book entitled Anatomie comparée du cerveau dans les quatre classes des animaux vertébrés, published in 1824 . Each plate is signed by Fertel in pencil and includes a price indication also in the illustrator's hand. The other 3 atlases, also in a plain and identical binding, are also illustrated with original drawings by Fertel. They concern respectively :- Organic diseases of the brain and the spinal cord. It says "Second atlas". It contains 54 plates, the majority drawn and signed by Fertel. Heavy wetness on the first planks. - 26 plates of human anatomy , untitled. - Comparative Anatomy of Monstrosities in Animals (and Humans). Includes 36 boards, 2 of which are unbound