Neue Literatur. 
Petrographie. Lagerstätten. 
A. Lacroix: Les roches ä iiephelines du puy de Saiut-Sandoux. (Coinpt. 
rend. 131. p. 283—285. 1900.) 
G. Linck: Die Pegmatite des oberen Veltlin. (Naturwiss, Zeitsclir 
gr. 8». 16 p. Mit 3 Taf. u. 3 Holzschn.) Jena 1U(K). 
Production der Bergwerke, Salinen nnd Hutten des Prenssiseben 
Staats im Jahre 1899, (Zeitsclir. f. d, Berg-, Hutten- u. Salinenwescn 
im preussischen Staate. 48. 1. Statist. Lieferung, p. 2 — 29.) 
K. P. Rothwell: The Mineral Industry, its Statistics, Technology and 
Trade in the United States and other countries to the end of 1899. 
8. roy. 8°. New York 1900. 
The Norseman Gold Belt. Diindas Goldfield. Flourishing West 
Australian Division. 8®. 128 p. Perth, W. A. 
Walker Harvey Weed and L. V. Pirsson: Geology of the Little 
Belt Mountains Montana with notes on the Mineral deposits of the 
Neihart, Barker, Yogo and other districts. Accompanied by a Report 
on the petrography of the igneous rocks of the district by L. V. 
Pirsson. (U. S. geol. survey. 20. ann. report. 1898—1899. Part 111. 
Precious-metal mining districts.) 
E. Ordonez: Les volcans du Valle de Santiago. („Antonio Alzate.“ 
14. p. 299-326. Taf. IV-X.) Mexico 1900. 
J. Rekstad; Loese afleiringer i oevre Foldalen. (Norges geologiske 
Undersögelse. 28. 13 p.) Kristiania 1900. 
Om periodiske forandringer hos norske bräer. (Ibid. 28. 15 p.) 
Kristiania 1900. 
John Stevenson: The Chemical and Geological History of the Atmo- 
sphere. (Philosophical Magazine. 50. 1900. No. 305. p. 399—408.) 
C. Sapper: Bemerkungen über einige Vulcane von Guatemala und 
Salvador. (Peterm. Mitth. 46. p. 149—161. 1 Karte. 1900.) 
Skertchly’s Geology. Revised in Accordance with the latest 
requirements of the South Kensington Syllabus. (Mürby’s Science 
Series. 10 th ed. Illust. er. 8°. p. VIII— 259.) 
W. Spring: Sur la floculation des milieux troubles. (Bull. Acad. roy. 
de Belgique. Classe des sc. 1900. p. 483—520.) 
Proprietes des solides sous pression, diffusion de la matiere solide, 
mouvements internes de la matiere solide. Congres internationale de 
Physique. Rapport. 30 p. Paris 1900. 
Fr. Toula: Lehrbuch der Geologie. Ein Leitfaden für Studirende. 
Wien 1900. 
F. F. Villasenor: Analyse de l’eau de San Lorenzo (Tehuacan). 
(„Antonio Alzate.“ p. 185 — 189.) Mexico 1900. 
— — Analyse de l’eau potable de la Ville de Queretaro. (Ibid. p. 257 — 264.) 
E. Weinschenk: Dynamometamorphisme et Piezocristallisation. (Congres 
geol. Internat. 8. session. Mem. pres. au congres. 17 p.) Paris 1900. 
H. A. Wilson: On the Velocity of Solidification and Viscosity of Super 
cooled Liquids. (Phil. Mag. 50. p. 238—250.) London 1900. 
