Geological Observations upon Alabama, Georgia and Florida - 1833
Discovery of Saurian Bones in the Magnesian Conglomerate near Bristol - 1835
Crinoidea or lily-shaped animal - 1837
The Crinoidea of the rocks of New York, their geological and geographic distribution - 1843
Description of some microscopic shells from the decomposing marl slate of Cincinnati - 1845
Notice of remains of vertebrated animals found at Richmond, Virginia - 1850
On fossil insects from the Carboniferous formation in Illinois - 1864
Notice of some new reptilian remains from the Cretaceous of Brazil - 1869
Notice of some fossil birds, from the Cretaceous and Tertiary formations of the United States - 1870
Notice of a fossil insect from the Carboniferous Formation of Indiana - 1871
On a new species of fossil from the Lower Silurian - 1872
Notice of a new species of <i>Hadrosaurus</i> - 1872
Notice of a new Species of Ichthyornis - 1873
On a new sub-class of fossil birds (Odontornithes) - 1873
Notice of fossil vertebrata from the Miocene of Virginia - 1873
Notes on Anomphalus Meeki - 1874
Notice of a new fossil spider from the Coal Measures of Illinois - 1874
On a Recent Discovery of Carboniferous Batrachians in Nova Scotia - 1876
A new order of extinct Reptilia (Stegosauria) from the Jurassic of the Rocky Mountains - 1877
Characters of the Odontornithes, with notice of a new allied genus - 1877
Notice of new dinosaurian reptiles from the Jurassic formation - 1877
Notice of a new and gigantic dinosaur - 1877
Principal characters of American Jurassic dinosaurs. Part I - 1878
Notice of new dinosaurian reptiles - 1878