Keywords: Essays and Observations, Physical and Literary read before a Society in Edinburgh (Royal Society of Edinburgh) BHL12951335.jpg Essays and Observations Physical and Literary read before a Society in Edinburgh Royal Society of Edinburgh 12951335 46722 12936 Foldout vol1 http //www biodiversitylibrary org/page/12951335 1754 Royal Society of Edinburgh NOT_IN_COPYRIGHT<br> Biodiversity Heritage Library Check categories 2015 November 1 PD-old-70-1923 Essays and Observations 1754 Images uploaded by Fæ Files from the Biodiversity Heritage Library Biodiversity Heritage Library Natural History Museum Library London collection |