62 GEOLOGY. 



Erdmann, E. De allmannaste af Sveriges berg- och jord-arter, 

 liittfattligt beskrifna hufvudsakligen med afseende pa deras 

 anvandando inom landthushallningen. [The commonest rocks 

 and Quaternary deposits of Sweden, popularly described, with 

 special reference to their use in agriculture.] Ed. 2, 120 pp., 24 

 figs, in text. 8vo. Stockholm. 



Fabre, Q-. Sur une Carte geologique, mineralogique et agronomique 

 du Canton de Mende. [On a geological, mineralogical, and agri- 

 cultural Map of the Canton of Mende.] Bull. Soc. Geol. France^ 

 3 ser. t. iii. pp. 431-434, with folding table. 

 Description of a manuscript map on a scale of -gir^Tr' ^^® Table 

 forms the explanation of the map, and is divided into three parts, 

 Geological, Mineralogical, and Agricultural. The first part is divided 

 into columns, headed : — 1, formations ; 2, stages ; 3, sub-stages ; 4, 

 distinctive sig-ns ; 5, mean thickness ; 6, principal fossils. The second 

 part into columns, headed: — 1, nature of the rocks; 2, accidental 

 minerals; 3, local names; 4, materials of economic value. The last 

 part has five divisions, amongst these Permeability of the sub-soil ; and 

 Nature of the soil. G. A. L. 



. Materiaux pour servir a la description geologique du de- 



partement de la Lozere. [Geological description of the Lozere.] 



11 pp., 1 plate,- Mende. 



Two papers, nos. 6 and 7 of the series. 6 consists of observations 



on the geology of the commune of Saint Chely-du-Tarn. 7 discusses 



the antiquity of iron- working in the region of the Gausses. G. A. L. 



Falsan, A. Etudes sur la position stratigraphique des Tufs de 

 Meximieux, de Peronges et de Montluel. [Stratigraphical position 

 of the Tuffs of Meximieux, &c.] 4to, pp. 38, 1 plate, Lyons, 

 Geneva, and Bdle. 



. Introduction Stratigraphique to " Eecherches sur les 



Yegetaux Eossiles de Meximieux," by MM. de Saporta and 

 M. A. E. Marion. Arch. Mus. Lyon, t. i. livr. 4, pp. 131-184. 

 A detailed description of the stratigraphical position of the ' Tufs ' 

 of Meximieux, of Peronges and of Montluel. Lists of the fossils found 

 in the various deposits are given, and a synoptical table of sections of 

 Tertiary and Quaternary beds in the Ehone Basin. (See Saporta, 

 under Paleontology, Plants.) E. T. N". 



Favre, Prof. Ernest. Kecherches geologiques dans la Partie Cen- 



trale de la chaine du Caucase. 4to. Geneva, Basle, and Lyons. 



Pp. viii, 118 ; 2 plates (sections and geological map), 32 woodcuts. 



Gives the results of two journeys. Crystalline rocks occur in two 



areas, one forming the central axis of the chain, the other forming the 



nucleus of the Mesque Mountains. Sedimentary rocks are represented 



by Palaeozoic schists (not Jurassic, as maintained by Abich) ; by sand- 



