Mineralogie. Geognosie. 



4? 



Alihans, Ueber einen Quarzkantner aus dem Katzengebirge in Schles. 



Breslau, Schles. Ges. vaterl. Kultur, Jahresber. 70. II. p. 29. 

 Poieck, Ueb. eine neue krystallisirte Bisen-Wolfram- Legierung. Ibid. 



p. 21—24. 



Schiff, Ueber ein Vorkommen von Gyps-Krystallen in der Nähe der 



Stadt Posen. Ibid. p. 25. 

 Cohn F, JJeber Entstehung von J£alk und Kieselgestein durch Ver- 



mittelung von Algen. Ibid. p. 77—79. 

 Schafarzik F, Ueber die Steinindustrie Schwedens und Norwegens. 



Budapest, K. ung geol. Anstalt. Jahresb. 1891. p. 194 — 225. 

 Kaiecsinszky A V, Mittheil, aus dem ehem. Laboratorium der K. ung. geol. 



Anstalt. V. Folge 1 891. (Chem.^estein-Analysen) Ibid.p. 146 — 151. 

 Petersen Theod, Ueber den Anamesit von Rüdigheim bei Hanau u. 



dessen bauxitische Zersetzungsprodukte. Frankfurt a. M., 



Physik. Ver. Jahresb. 1891/92. p. 108-116. 

 Maury M, A Suggestion as to the causes of the differences of Colon r 



in Granite rocks. Halifax, N. Scot. Inst S. II. Vol. I. p. XLU I. 

 McCulloch Thos, List of localities for Trap Minerals in Nova Scotia. 



Ibid. p. 160. 



Canaval Richard, Das Erzvorkommen am Umberg bei Wernberg 



in Kärnten. Klagenfurt, Naturhist. Landes-Mus. Jahrbuch 



Heft 22. (Jahrg. 39 u. 40). p. 174—186. 

 ßrunlechner August, Neuere Mineralfunde in Kärnten. Ibid. p. 187 — 194. 

 Irving Roland, On the Occurrence of Gold and Silver in Minute 



Quantities in Quarz from Clark County. Madison, Wisc. 



Ac. Sei. Trans. Vol. II. p. 140—141. 



— Kaolin in Wisconsin. Ibid. Vol. III. p. 3—30. 

 Chamberlain T, On a proposed System of Lithological Nomenclature. 



Ibid. Vol. Y; p. 234—247. 

 Woodman E, The Pipestone of DeviFs Lake. Ibid. p. 251 — 254. 

 Salisbury R, Notes on the Dispersion of Drift Copper. Ibid. Vol. VI. 

 p. 42—50. 



Goldsmith E, Notes on some minerals and rocks. Philadelphia, 



Ac. Nat. Sei. Proc. 1893. p. 174. 

 Meyer A, Notes on the ocurrence of Quartz and other minerals in 

 the Chemung Measures, Pennsylvania. Ibid. p. 194. 



— Pyrophyllite slates in Northern Pennsylvania. Ibid. p. 197 

 Fresenius R, Analyse des Victoriasprudels in Oberlahnstein. Wies- 

 baden, Nass. Ver Naturk. Jahrb. 46 (1893) p. 1—20. 



Geologie. 



Williams G, The geological excursion by University students across 



the Appalachians in May 1891. Baltimore, John Hopkins 



Univ. Circulars. Vol. XI, N. 94, p. 25—27. 

 Williams G, Abstract of a paper on the Volcanic rocks of South 



Mountain in Pennsylvania and Maryland. Ibid. Vol. XII. 



N. 103. p. 45. 



— A new machine for cutting and grinding thin sections of rocks 

 and minerals. Ibid. p. 47. 



