197 



APPLIED AND ECONOMIC GEOLOGY. 



Aigner, Angost. Die Fabrikation des Cements und dessen Anwen- 

 dung fiir Soolenleitungen in Ischl. [Manufacture of Cement and its 

 use for Salt-works at Ischl.] Jahrh. k.-Tc. Bergahad. Bd. xxiii. 

 pp. 134-144. 

 Describes the manufacture of cement from certain hydraulic lime- 

 stones, viz. the Lower Tertiary Marls near Kufstein, and the Neocomian 

 Limestone covering the salt-bearing rocks at Ischl. Analyses of both 

 are given. The latter is remarkable for the large amount of carbonate 

 of iron. H. B. 



Anderson, W. Notes of a Visit paid to some Peat Works in the 

 neighbourhood of St. Petersburg in May 1875. Proc. List. Civ. 

 Emj. vol. xli. pp. 202-205. 

 A vast peat bog exists 3J miles S. of Alexandroflfsky ; the peat has 

 been formed, and is stiU forming, about the base of a scrubby birch 

 forest. The bottom is whitish clay ; the peat attains a thickness of 18 

 feet in alternate layers of compact and mossy turf, the latter full of 

 water. When dug in May the peat contains 75 p. c. of moisture. 

 When dried, and as supplied to the steel-works, it contains about 25 

 p. c. of ash and moisture, the ash varying from 3 to 5 p. c. A com- 

 parison of the calorific power of peat with those of other fuels is 

 given. W. T. 



Andre, G-. G. A Practical Treatise on Coal Mining. 4to. London. 



36 plates. 



Anon. Der Silber- und Blei-Bergbau zu Pribram (Bohmen). Zur 



Feier der im Adalbert-Schacht erreichten Saigerteufe von 1000 



Meter. Herausgegeben von der k.-k. Berg-Direction zu Pribram. 



[Silver and Lead Mining at Pribram, Bohemia.] Pp. 84 ; 2 plates 



of sections and a geological map. 4to. Vienna. 



Published in commemoration of the Adalbert shaft having reached 



the depth of 1000 metres. Gives a history of mining at Pribram ; 



describes the geology of the country, the lodes of part of the district, 



and the minerals of the Pribram veins ; compares the depths of the 



deepest mines in different countries ; gives the depth of the Adalbert 



shaft for each year from 1779, the temperature of the mine at various 



depths in 1874, the contents of the vein-stuff at different times and at 



different depths, and detailed statistics of the Pribram mines in general 



from 1720 to 1874. F. W. R. 



. Das Salz, cine geschichtliche und technischo Skizze. [Salt : 



an historical and technical Sketch.] Jahrh. k.-Tc. Bergctkad. Bd. 

 xxiii. pp. 286-301. 

 The first 6 pages contain a general outline of the position and 

 character of the salt deposits in the Austrian Alps, and the history 



k 



