Advertises a series of twelve lectures to be offered by this distinguished British anatomist and paleontologist who had become the superintendent of the natural history departments of the British Museum only one year before this document was issued. According to this broadsheet Owen's lecture was to be devoted almost entirely to fossil mammals.; Item call number: B Ow2.1 no. 22.
Prospectus for the publication of a lecture series of Etienne Geoffroy Saint-Hilaire who in 1793 became professor of zoology at the Jardin des Plantes in Paris at the young age of 21. When the Jardin was reorganized in June of 1793, Geoffroy was named professor of quadrupeds, cetaceans, birds, reptiles, and fish.; Item call number: Pam. v. 105, no. 20.
