212 PETROLOGY. 



Nedeljkovic, S. Syrmier Sanidin-Trachyt. Verh. k.-k. geol. 

 Eeichs. pp, 15, 16. 



Describes the occurrence of an area of sanidine-fcrachyte in the 

 " Fruska Gora " mountains, south of Peter wardein in the Banat, on the 

 northern bank of the Danube. The trachyte holds large crystals of 

 hornblende and glassy felspar (sanidine), and ^s stated to be Post- 

 Cretaceous. H. A. N. 



~ NoGUES, A. F. Lignites and Peats. Coll. Guard, vol. xxviii. 

 p. 900. 

 Article translated from " La mineralogie et la mineralurgie a 

 I'Exposition Universelle de 1867." Analyses of lignites and peats are 

 given, with the characteristics of the French and Swiss lignites and of 

 the French, Dutch, and Italian peats. G. A. L. 



Ortlieb, J". Composition chimique et mineralogique d'un banc de 

 calcaire silicifie du devonien de Hergies-les-Bavai. [Chemical 

 and mineralogical composition of siHcified limestone from the 

 Devonian of Hergies-les-Bavai.] Ann. Soc. Geol. Nord, 1870- 

 74, pp. 37, 38. 

 Analysis given — 91-27 per cent, of carbonate of lime, 6-92 of insolu- 

 ble and 0-42 of soluble silica. 



Petteesen", K. Om Gabbroen paa Seiland, Yest-Finmarken. [Gabbro 

 from Seiland, Western Finmark.] Geol. foren. Stockholm Forhandl. 

 bdt. ii. pp. 125, 126. 



PiCHLER, A. [Eock from Innsbruck.] N. Jahrb. Heft ix. p. 961. 

 A letter containing reference to a peculiar variety of micaceous clay- 

 slate or phyllite from Innsbruck. 



Both, Here. XJeber die Obsidian- und Perlitstrome des Guamani in 

 Ecuador. Moriatsb. k. preuss. Ak. Wiss. pp. 378-385. 



Describes specimens of obsidian and perlite from the neighbourhood 

 of the Filo de los Corrales, about 4300 metres above the sea-level, and 

 from the Tablon de Ytulgache, 3361 metres high, both localities being 

 in the Guamani mountains of Ecuador. F. W. R. 



Etjkler, F. W. Basalt. Science Gossip, no. 117, p. 212. 



Note in reply to Mr. Malet. Argues that the presence of apatite 

 and olivine in basalt cannot be regarded as evidence against the igneous 

 origin of this rock. F. W. E. 



EuMPP, J. Gosau-Kohle von der Kainach. Min. Mitt. Heft 2, 



p. 178. 

 Analysis of coal from sandstones of the Gosau beds from the Kainach. 



EiJTOT, A. . Note sur quelques echantillons d'anthracite provenant 

 de La Mure, departement de I'lsere (France). [Samples of 

 anthracite from La Mure (Isere).] Ann. Soc. Geol. Belg. t. i. 

 1874, Bull. pp. xxxviii-xl. 



Short description giving chief characters of the coal. 



