48 GEOLOGY. 



Anon. Aachen, seine geologisclien Yerhaltnisse und Thermalquellen, 

 etc. [Aix-la-Chapelle, its geology, thermal springs, &c.] ALv. 



. The Marble Quarries of Carrara. Building News, vol. xxix. 



pp. 105, 106. 

 Mentions a Report on this subject to the Italian Minister of Public 

 Works. 



. Progress of the St. Gothard Tunnel. Coll. Guard, vol. xxix. 



pp. 23, 130, 164, 273, 661, 745. 

 Notes of progress, chiefly from the Revue Tndustrielle. The rocks 

 passed through are described, and temperature observations at the faces 

 of both ends are recorded. G. A. L. 



-. Le Tunnel de la Manche. [The Channel Tunnel.] L'Ex- 



plorateur geograjiliique et commercial, no. 2, pp. 43, 44, with plan 

 and section. 



Geological to a great extent. 



(J. P.), [J. E. H. Peyton]. Deep-Boring in Prussia. Oeol. 



Mag. dec. 2, vol. ii. p. 48. 

 Describes the boring at Sperenberg, 4040 feet deep, in the New Red. 



. Note on the supposed occurrence of Gold in the Morbihan, 



France. Iron, vol. vi. p. 203. 



. Iron Mines of Bosnia. Iron, vol. vi. p. 203. 



. The Coal-Mining Industry of Russia. Coll. Giuird. vol. xxx. 



pp. 119, 120. 



Based on the latest official sources of information as to the present 

 condition of the Russian Coal-fields. The iron-production returns are 

 also quoted. G. A. L. 



Arzruni, Dr. A. Die Schwefellager von Kchiuta im Daghestan. 



[Sulphur-deposits of Kchiuta.] N. Jahrh. Heft i. pp. 49-51. 

 Letter referring to the sulphur-deposits of the Caucasus, especially 

 that at Kchiuta in Eastern Daghestan. The mineral occurs in nests 

 and lenticular masses, in some cases 4 metres thick, associated with 

 gypsum and enclosed in limestone. It has recently been explored, 

 with the view of using it locally in the manufacture of sulphuric acid. 



F. ^Y. R. 



Bachmann, — . [Giants' Cauldrons near Bern.] N. Jalwh. Heft i. 

 pp. 53, 54. 



Letter announcing the discovery of '* Giant's Cauldrons " (lUesentopfe) 

 in Molasse sandstone near Bern. They arc filled with boulders, among 

 which are several characteristic rocks, showing that they are brought 

 down by the old glacier of the Rhone. F. W. R. 



Baltzer, Dr. A. Ueber Bergstiirze in den Alpen. [Landslips in the 



Alps.] 8vo. Ziirich. Pp. 50 ; illustrated. 

 Describes several Alpine landslips, and classifies them as follow : — 

 1. Falls of Rock (Fehstiirze), e.g. Felsberg ; 2. LandBli^s (ErdscJiUffe), e.g. 



