Revision of the land snails of the Paleozoic era, with descriptions of new species
Elementary views of the classification of animals
Notice of a new species of Dendrerpeton and of the dermal coverings of certain carboniferous reptiles
On some relations of geological work in Canada and the Old World
Circulars, fliers and clippings, 1895-1899
Circulars, fliers, and clippings, 1878-1886
Circulars, fliers, and clippings, 1886-1887
Circulars, fliers and clippings, 1888-1895
Circulars and fliers, 1865-1877
Bills and receipts, 1886-1887