""Notes On The Isthmus Of Panama And Darien: Also On The River St. Juan, Lakes Of Nicaragua, Etc."" is a book written by George Peacock in 1879. The book provides a comprehensive account of the author's travels in Panama and Darien, as well as his observations on the River St. Juan and the Lakes of Nicaragua. Peacock's notes cover a wide range of topics, including the geography, topography, flora, and fauna of the region, as well as the customs and...