156 GEOLOGY. 



wegs Metalliferes. [Iron-ores of Algeria and other Metalliferous 

 Deposits.] Bull. Soe. Sci. Litt. Alais. Pp. 74 ; 4 plates. 

 Chaps, i. General sketch of Algerian geojogy (Crystalline rocks, Lias, 

 M. and U. Oolite, Cretaceous and Tertiary beds, eruptive rocks ; ii. 

 Iron-bearing rocks of Algeria (11 analyses) ; iii. Local character, in- 

 fluence of position of rocks,, and origin of metallic ores in France and 

 Spain ; iv. Classification of mineral deposits. W. H. D. 



Daubree, Prof. [Coal in the Gaboon.] Bull. Soc. Geogr. Paris, 



6 ser. t. xi. pp. 446, 447. 

 I^ote of discovery of thin seams of lignite in beds of sandstone at 

 Boungi, near the shore. 



Duveyrier, Henri. Itineraires de Methlili a Hassi Berghaoui et 

 d'el-Golea'a a Methlili, d'apres un journal de voyage en 1859. 

 [Notes from Methlili to Hassi Berghaoui and from El-Golea'a to 

 Methlili.] Bull. Soc. Geogr. Faris^ 6 ser. t. xi. pp. 577-611, map 

 (not geological). 



The geological features of the region passed over are described. 



Erskine, St. V. Journey to Umzilas, South-east Africa, in 1871- 



1872. Proc. R. Geogr. Soc. vol. xx. pp. 48-128. 

 Contains a few geological notes. 



G-OTijon, A. Takouch, ses roches et ses pierres fines. [Takouch, its 

 Eocks and Precious Stones.] Bull. Ac. Hippone, no. 12, pp. 42-56. 



Jones, Prof. T. R. Yisit to the Museum of the Geological Society, 

 Burlington House ; Inspection of the South-African Collection. 

 Proc. Geol. Assoc, vol. iv. no. 8, pp. 483-490. 

 Gives a summary of S.- African geology (with references), and a list 

 of E-eptilia from the Karoo beds. 



Jus, — . Resume historique des sondages artesiens dans la province 

 de Constantino, de 1856 a 1875. [Artesian Wells of Constantine, 

 Algeria.] Pamphlet. 



La Chatellier, H. [Geology of the Chotts region, IS". Africa.] Bull. 

 Soc. Geogr. Paris, 6 ser. t. xii. pp. 211, 212. 



The salt- deposits are not only found in the areas now below sea- 

 level, but up to 100 metres above it. The sands are littoral in cha- 

 racter ; and a Cardium is the only organic remain, a brackish species 

 different from those inhabiting the Mediterranean. For these reasons 

 (with others) the writer denies that the sea of the Chotts existed in 

 historical times. G. A. L. 



Largeau, V. [Notes on the geology, etc. of the Sahara.] Abstract. 

 Bull. Soc. Geogr. Paris, 6 ser. t. xii. p. 439. 



