AFRICA. 145 



Slid - A.frika. [South - African amygdaloidal Melaphyres.] iV. 



Jahrh. Heft ii. pp. 113-127, with 2 plates. 

 Describes a rock from the Maluti Mountains, on the borders of 

 Basuto Land. It is a melaphyre, consisting mainly of felspar and 

 augite, with ramifying cylindrical cavities filled with heulandite. Also 

 describes another melaphyre from Backhouse on the II. Vaal. A sketch- 

 map on scale of 1 to 3,333,333, showing the Maluti Mountains, accom- 

 panies the paper. P. W. E. 



Cooper, G. C. Diamonds in South Africa. Sd. Ooss. no. 121, p. 20. 



Controverts the theory of the origin of the diamond in " pipes " con- 

 nected with old volcanoes, and concludes that the contents of the pipes 

 are water- or ice-borne, and quietly deposited. "VV. W. 



Duveyrier, H. Premier rapport sur la mission des Chotts du Sahara 

 de Constantino. [First Report of the commission as to the Chotts 

 of the Constantino Sahara.] Bull. Soc. Geogr. Paris, ser. 6, t. ix. 

 p. 482. 



On the possibility of making an inland sea in part of the Sahara. 



Fox, Charles. Tooth and fragments of bones of Hippopotamus from 



the neighbourhood of Constantino in Algeria. Trans. B. Geol. Soc. 



Cornwall, vol. ix. part 1, pp. 26-30. 



These remains were found a few feet beneath the surface of a plateau 



800 or 900 feet above the river Roummel. The author also gives a little 



information about the geology of other parts of Algeria. C. L. N. T. 



Jourdan, Prof. — . Paper on the Geology, &c. of Algeria. Bull. Soc, 

 Sci. Alijer. for 1875. Noticed in Nature, March 30, 1876. 



Kinahan, G. H. The Inundation of the Sahara. Tlie Times, 

 Aug. 4, p. 3. 



Note suggesting that the proposed new Saharan Sea might have the 

 eifect of causing the return of a Glacial period over great portions of 

 Europe and Africa. G. A. L. 



Largeau, V. Lcs puits artesicns dans I'Oued Rhir. [Artesian Wells.] 

 U Explorateur Geofjr. et Commerc. no. 91, pp. 200, 201. 



Lenz, Dr. 0. Beiscn in Afrika. Verh. l:-Jc. geol. Beichs. pp. 149-152. 



In travelling from the Gaboon to Okanda by river, the first rocks seen 

 were on striking the mountain ranges in the Okota country : their height 

 is about 2000-2500 feet ; they consist of crystalline schists, quartzitcs, 

 &c. At Okanda there is true granite. E. B. T. 



Markham, C. R. Lieut. Cameron's Examination of the Southern 



Half of Lake Tanganyika. Journ. B. Geogr. JSoc. vol. xlv. pp. 184- 



228 ; map (not geological). 



Lake Tanganyika is 2710 ft. above the sea-level, and is encroaching 



on the countrj' forming its E. shore. In 1868 Livingstone found the 



S. extremity to consist of a red argillaceous schist. The Capo of 



M'pimbwe is composed of blocks of granite. Geological notes arc scattered 



through Lieut. Cameron's diarj' attached to the paper. 11. E., Jun. 



1875. L 



