Air-Breathers of the Coal Period: Descriptive Account of the Remains of Land Animals Found in the Coal Formation of Nova Scotia, with Remarks on Their (Paperback)
Nature and the Bible: A Course of Lectures Delivered in New York, in December, 1874, on the Morse Foundation of the Union Theological Semina (Paperback)
Fossil Men and Their Modern Representatives: An to Attempt to Illustrate the Characters and Condition of Pre-Historic Men in Europe, by Those of the A (Paperback)