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

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

with an appendix, containing important letters, depositions, &c., written during the war

comprehending its earliest investigations, and modern practice and art. Designed as a history for the common reader, and guide to the student of the art. ; in three parts. containing an account of the various attempts in the Art of Flying by Artificial Means, from the Earliest Period down to the Discovery of the Aeronautic Machine by the Montgolfiers, in 1782, and to a later Period. With a brief history of the author's fifteen years' experience in aerial voyages ; also, full instructions in the art of making balloons, parachutes, etc. etc., as adapted to the practice of aerial navigation, and directions to prepare experimental balloons

comprising the genera and species hitherto described; with references to their geological distribution and to the localities in which they have been found

with descriptions of the new species, in the Cabinet of the Pottsville Scientific Association

communicated by the auditor general to the legislature, January 22, 1864

experiments and adventures in the atmosphere

treating of the principles of the science

Vol I. 1. cellular cryptogamous plants, fungi, thalassophytes. 2. vascular cryptogamous plants, calamariae, filicaceae (ferns.) ; Vol II. 1. lycopodiaceae. 2. sigillariae. 3. gymnosperms

alphabetically arranged, giving names of authors, geological age, locality of occurrence, and place of preservation, with referncesw to the principal bibliography of the subject