The Vertebrata of the Cretaceous Formations of the West : Report of the United States Geological Survey of the Territories. Vol. 2,
Washington DC: Government Printing Office, 1875. First edition. Hardcover. Heavy quarto (oversized). Some wear to edges and corners of boards. Spine slightly darkened. iv, 302, [59] pages : 10 woodcuts, 57 plates at end with explanations on the verso for each. The greater number of species Cope described were from..... More