Gerard Troost — Glenn. 91 
formed by order of the Philadelphia Society for promoting Agri- 
culture. Pp. 40, 1 map colored, Philadelphia, 1826. 
1827. On Pproxene. Maclurean Lyceum, Contrib., 1, pp. 51-60, 
1827. 
1827. Troost, G. and Lesueur. On calamine, cobalt and the 
lead ores of Missouri. Amer. Jour. Sci., vol. 12, pp. 376-378, and 
379-380, 1827. 
Three separate notes taken from the New Harmony Gazette of 
April 17, 1827. 
1827 ? • Contributions to a compilation on the Geology and Min- 
eralogy of North America issued in Hamburg about 1827. 
Fide S. Harbert Hamilton, Amer. Geol., vol. 27, pp. 41-42, 1891. 
1828-36. On a new genus of serpents, and two new species of 
the genus Heterodon, inhabiting Tennessee. New York Annal. 
Lyceum, 3, pp. 174-190; 1828-1836. Oken., Isis, Col. 113-116, 1844. 
1831. Address delivered before the Legislature of Tennessee, 
at Nashville, October 19, 1831, by Gerard Troost, M. D., Professor 
of Chemistry, Mineralogy and Geology at the University of Nash- 
ville; former Professor of Mineralogy at the Museum of Natural 
History, and Lecturer on Chemistry at the Apothecary Hall, Phila- 
delphia. — Member of the Philosophical Society, of the Academy of 
Natural Sciences, and Honorary Member of the M'Clurean Lyceum 
in Philadelphia — of the Medical, Chirugical and Pharmaceutical As- 
sociation of Holland; former Officer of Health of the first class in 
the army of Holland; corresponding member of the Royal Museum 
of Natural History in Paris; Member of the Mathematical Society 
and of the Society of Natural Science and Literature of the Hague; 
Corresponding Member of the Physical Association of Baltimore, 
etc., etc. Transylvania .Jour. Med. vol. 4, No. 4, Lexington, Ky., 
1831. Republished from National Banner and Nashville Whig of 
October 31, 1831. 
1834-5. On the localities in Tennessee in which bones of the 
gigantic mastodon and Megalonyx Jeffersonii are found. Geol. Soc. 
Pa., Trans., vol. I, pp. 139-146, and 236-243. 
1835. On the Pentremites Reinwardtii, a new fossil; with re- 
marks on the genus Pentremites (Say), and its geognostic position 
in the states of Tennessee, Alabama and Kentucky. Geol. Soc. Pa., 
Trans., vol. I, pp. 224-231, 1835. 
1835. Description of a new epecies of fossil Asterias (Asterias 
antiqua). Geol. Soc. Pa., Trans., vol. I, pp. 232-235, 1835. 
1835. Description of some organic remains Characterizing the 
strata of the upper Transition which composes Middle Tennessee. 
Geol. Soc. Pa., Trans., vol. I, pp. 244-247, 1835. 
1835. Third Geological Report to the Twenty-first General As- 
sembly of the State of Tennessee, made October, 1835, 32 pp., in 
colored map. 8°, Nashville, 1835. 
