I 



EtTROPE. 47 



of like age have a parallel direction has led to their successful exploi- 

 tation in the Caucasus by M. Frangois. E. B. T. 



Aubaret, G. Province du Danube. [The Danube Province.] Bull. 

 Sue. Geogr. Paris, G ser. t. xii. pp. 147-184. 



A Consular lleport. Mentions coal-workings near Dranova, not far 

 from Sistova (p. 161), and near Plevna (p. 163), and at Travna(p. 165). 

 Mineral springs near Vratza, and coal near Jielgradjik (p. 172). Sul- 

 phurous waters in the Sofia district (p. 176). Iron is worked at Sama- 

 kavo (p. 180). G. A. L. 



Babdnek, Pr. Berichtigung iiber das angebliche Yorkommen von 

 Silurkalk-GeroUen im Ileiligenberger Schachte bei Pribram. [Oc- 

 currence of Silurian Limestone Pebbles in the Heiligenberg Mine, 

 near PHbram.] Verh. k.-k. r/eol. Iteichs. p. 351. 



Bachman, Dr. I. Geologisches iiber die Umgebung von Thun. 

 [Geology of Thun District.] Jahrh. Schiveiz. Al£)eiicl. Jahrg. xi. 

 pp. 371-413 ; folding section. 

 Describes the Tertiary, Cretaceous, Jurassic, and Trias of the Stock- 

 horn, and the Nagelfiuh (Miocene) of the Thun Valley. 



Baltzer, Dr. A. Beitriige zur Gcognosie der Schweizer-Alpen. [Con- 

 tributions to the Geology of the Swiss Alps.] N. Jahrb. Heft ii. 

 pp. 118-135, plate and woodcut. 



A description of the Glarnersddinge — a remarkable group of highly 

 contorted rocks in Glarus. Eocene rocks, with nummulitic limestone, 

 are for miles covered with Cretaceous, Jurassic, and other older rocks. 

 This inversion is due to the complicated curves explained in a section 

 from the Gliimisch, through the valley of the Linth to that of the 

 Fore Rhine. The old rocks are thrown into a double- S shape of this 

 character 3_S ; and the younger rocks, themselves contorted, occupy the 

 depression between the two extreme curves. A relation is traced be- 

 tween the readiness with which a rock yields to contorting forces and 

 the proportion of alumina it contains. F. W. 11. 



Barbot de Marny, Prof. N. Die Fortschritto der geologischen Be- 

 schreibung llusslands in den Jahren 1873 und 1874. [Progress 

 of Russian Geology in 1873-74.] Pp. 67. St. Petersburg. 



Barrois, Ch. Le Gault dans le bassin de Paris. [Gault of the Paris 

 Basin.] Bull. Soc. Oeol. France, 3 ser. t. iii. pp. 707-714. 



Divides the Gault of this area into three zones, of Ammonites mam- 

 millaris, of Amm. interruptus, and of Amm. injlatus. Of 315 species 

 found in these beds, only 22 are common to all three. His zone of 

 Amm. inflatus, including the Gaize of Argonne and the uppermost clay 

 of Wissant, corresponds with the U. Gault of Swiss geologists. A list is 

 given of the fossils obtained from these localities, and they are com- 

 l)ared with the faunas of Cambridge and Folkestone. The zone of 

 Amm. interruptus is the Albian of D'Orbigny. 



The zone of Amm. mammillaris is correlated with the " gris verts 



