with transverse sections, extending from Susquehanna river to the Atlantic, crossing Catskill mountains : to which is prefixed a geological grammar

including all which are known to exist in the United States and British provinces, and having the towns, counties, and districts in each state and province : arranged alphabetically. With an appendix, containing additional localities and a tabular view

including an extended treatise on crystallography: with an appendix, containing the application of mathematics to crystallographic investigation, and a mineralogical bibliography

geographical, political, and historical; with comparative views of other countries

with an appended catalogue of the specimens of rocks and minerals in the state collection

from New England to Wisconsin and South to Ohio and Pennsylvania inclusive, (the mosses and liverworts by Wm.S. Sullivant,) : arranged according to the natural system; with an introduction, containing a reduction of the genera to the Linnaean artifical classes and orders, outlines of the elements of botany, a glossary, etc

Ergebnisse einer im Auftrage der königl. bayerischen Regierung in den Jahren 1849 und 1850 unternommenen Reise durch die Vereinigten Staaten von Nordamerika und England

treating of the principles of the science