On the Origin of Species: or, the Causes of the Phenomena of Organic Nature. A Course of Six Lectures to Working Men

New York: D. Appleton and Company, 1863. Cloth. Very Good. The 1863 1st American edition. Tight and VG in its original light-brown pebbled boards, with peeling and wear at the spine's paper title label (all-but-unreadable) and very light soiling to the panels. Internally, the pages are crisp and bright but there is light staining at the inner hinges and along the edges of the pastedowns and endsheets. Octavo, 150 pgs. plus publisher's ads. at the rear. Huxley's response --in the form of six lectures-- to the 1859 publication of Darwin's beyond-seminal text, "the most influential scientific work of the nineteenth century