Annual Report of the Regents of the University of the State of New-York, on the Condition of the State Cabinet of Natural Histor

Preliminary notice, of some species of Crinoidea from the Waverly Sandstone series of Summit Co., Ohio, supposed to be of the age of the Chemung Group of New York - 1864

Description of new or little known species of fossils from rocks of the age of the Niagara Group - 1870