



















O74 | ’ JEN—JER : 
Jenzsch (Gustav). Die krystallisirte Kieselsiiure ist Dimorph. (Tract.) 
8vo. Berlin, 1858. 
—. Die Verbreitung des Melaphyr und Sanidin-Quarzporphyr in dem 
im Jahre 1858 in Abbau stehenden Theile des Steinkohlenbassins 
von Zwickau im Konigreich Sachsen. (Tract.) 8vo. Berlin, 1858. 
——. Ueber des Herrn Geinitz Bemerkungen zu meiner Abhandlung, 
die Verbreitung des Melaphyrs und Sanidinquarzporphyrs in der 
Gegend von Zwickau. (Tract.) 8vo. Berlin, 1858. 
——. Lithologie, die Basis der rationellen Geologie. (Tract.) 
8vo. Leipzig, 1858. ° 
—. Neugebildete Sanidin- (glasige Feldspath-) Krystalle. (Tract.) 
8vo. Leipzig, 1858. 
——. Ueber die Krystallform des Kupferoxydes. (Tract.) 
8vo. Leipzig, 1859. 
——. Bemerkungen tber optisch zweiaxige Turmaline. (Tract.) 
8vo. Leipzig, 1859. 
——. Ueber eine mikroskopische Flora krystallinischer Massenge- 
| steine (Hruptivgesteine). (‘Tract.) Svo. Leipzig, 1868. 
——. Ueber die am Quarze vorkommenden Gesetze regelmissiger Ver- 
wachsung mit gekreuzten Hauptaxen. (Tract.) 8vo. Erfurt, 1870. 
——. Zur Erinnerung an Dr. Gustav Jenzsch. (Tract.) 
8vo. Dresden 1878. | 
Jerdan (William). Illustrations of the Plan of a National Association 
for the Encouragement and Protection of Authors, and men of talent 
and genius. (Tract.) 8vo. London, 1839. © 
——. See Burnuavp (Arsenne Thiébaut de). 
Jervis (William Paget [Guglielmo]). The Mansfeld Copper-slate Mines 
in Prussian Saxony. (Tract.) Syvo. London, no date. 
——. Mineral Resources of a IJ. (Tract.) 
8vo. London, 1860. 
——. Mineral Resources of Tuscany. VI. (Tract.) 
8vo. London, 1860. 
——. On the History, Geological and Geographical Distribution, and 
Commercial Bearing of the Marbles of Tuscany and Modena, and of 
the Boracic acid Lagoons of the Maremme. (Tract.) 
8vo. London, 1860. 
—. The Marbles and Boracic acid Lagoons of Tuscany. (Tract.) 
8vo. London, 1860. 
——. The Mineral Resources of Central Italy. 8vo. London, 1862. 
——. Supplement to the Mineral Resources of Central Italy. (‘Tract.) 
Svo. London, 1868. 
—. Guida alle Acque Minerali d'Italia, cenni storici e geologici, 
coll indicazione delle proprieta fisiche, chimiche e mediche delle 
singole sorgenti corredata di analisi chimiche. Provincie centrali. 
2 copies. Svo. Turin, 1868. 
—. Cenni geologici sulle montagne poste in prossimita al giacimento 
di Antracite di Demonte. (Tract.) 8vo. Turin, 1873. 
—. I Tesori sotterranei dell’ Italia. 2 vols. 8vo. Turin, 1873-74, 
——. Sul Giacimento di Carbon fossile antracitico di Demonte (presso 
Cuneo), Studi geologici, tecnici, industriali. (Tract.) 
Svo. Milan, 1875 
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