On the genus Erisichthe - 1877
On a carnivorous dinosaurian from the Dakota Beds of Colorado - 1877
A contribution to the knowledge of the ichthyological fauna of the Green River shales - 1877
The relations of the horizons of extinct Vertebrata of Europe and North America - 1879
Observations on the faunae of the Miocene Tertiaries of Oregon - 1879
On the extinct species of Rhinoceridae of North America and their allies - 1879
On some new Batrachia and Reptilia from the Permian beds of Texas - 1881
On a wading bird from the Amyzon Shales - 1881
On the Nimravidae and Canidae of the Miocene Period - 1881
On the Vertebrata of the Wind River Eocene beds of Wyoming - 1881
Review of the Rodentia of the Miocene Period of North America - 1881