1. Popular Works. _The Story of the Earth and Man._ By Sir Wm. Dawson. _The Mammoth and the Flood._ By Sir Henry Howorth. _Works by Doctor Gideon A. Mantell_:-- _Medals of Creation._ _Wonders of Geology._ _Petrifactions and their Teaching._ _Phases of Animal Life._ By R. Lydekker. _Science for All._ 5 vols. (Chapters on Extinct Animals.) _Our Earth and its Story_, vol. ii. _Winners in Life's Race._ By Arabella Buckley. _The Autobiography of the Earth._ By Rev. H. N. Hutchinson. _Sea Monsters Unmasked._ By H. Lee. 2. Works of Reference. _A Manual of Palæontology._ 2 vols. By Prof. Alleyne Nicholson, and R. Lydekker. _The Life-History of the Earth._ By Prof. Alleyne Nicholson. _Origin of Species._ By C. Darwin. Also _The Journal of Researches._ _The Old Red Sandstone._ By Hugh Miller. _Sketch Book of Popular Geology._ By Hugh Miller. _Early Man in Britain._ By Prof. Boyd Dawkins. _The English Encyclopedia._ (The 2 vols. on Natural History contain much information on extinct animals.) _The Encyclopedia Britannica._ Ninth Edition. _Memoirs of the Ichthyosauri and Plesiosauri._ By Thos. Hawkins. Phillips's _Manual of Geology_. New Edition, by Prof. H. G. Seeley and R. Etheridge. _The Book of the Great Sea-Dragons._ By Thos. Hawkins. _The Geographical and Geological Distribution of Animals._ By A. Heilprin. _Prehistoric Europe._ By Prof. James Geikie. _Palæontological Memoirs._ By Hugh Falconer, M.D. _Mammals, Living and Extinct._ By Prof. Flower and R. Lydekker. _British Fossil Mammals and Birds._ By Sir R. Owen. _A Manual of Palæontology._ By Sir R. Owen. _A Catalogue of British Fossil Vertebrata._ By A. S. Woodward and C. D. Sherborn. 3. Monographs. _The Dinocerata._ By Prof. O. C. Marsh. _United States Geological Survey_, vol. x. Washington, 1884. _The Odontornithes_, a Monograph on the Extinct Toothed Birds of North America. By Prof. O. C. Marsh. New Haven, Connecticut, 1880. _The Vertebrata of the Tertiary Formations._ By Prof. E. D. Cope. Washington, 1883. _The Vertebrata of the Cretaceous Formations of the West._ By Prof. E. D. Cope. Washington, 1875. _Contributions to the Extinct Vertebrate Fauna of the Western Territories._ By Joseph Leidy. Washington, 1873. (The last three are in the reports of the _United States Geological Survey of the Territories_.) _The British Merostomata_ (Palæontographical Society). By Dr. Henry Woodward, F.R.S. Monographs by Sir Richard Owen. _A History of British Fossil Reptiles._ 4 vols. (Cassell.) (Most of which has been previously published in the _Monographs of the Palæontographical Society_.) _On the Megatherium, or Giant Ground Sloth of America._ London, 1860. _On the Mylodon._ London, 1842. _On the Extinct Wingless Birds of New Zealand._ London, 1878. Reprinted from _The Transactions of the Zoological Society_.