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.)