﻿664 GEOLOGY OF PART OF THE NOETH-EASTKRX [Aug. I905, 



VI. Bibliographical List. 



The following list is not put forth as a complete bibliography, 

 but it includes most of the papers which bear more or less directly 

 upon the area included in the foregoing sketch. 



Barrat, Maurice. 'La Geologie du Congo Francais' Ann. des Mines, ser. 9, 



vol. vii (1895) pp. 379 et seqq. 

 Cornet, J. 'Les Depots superficiels et l'Erosion continentale dans le Bassin du. 



Congo ' Bull. Soc. beige de G60I. vol. x (1896) Mem. pp. 41-116. 

 Cornet, J. ' Observations sur les Terrains auoiens du Katanga, &c.' Ann. Soc. geol. 



de Belg. vol. xxiv (1896-99) Mem. pp. 25-191. 

 Cornet, J. ' Etudes sur la Geologie du Congo occidental, &c.' Bull. Soc. beige 



de Geol. vol. xi (1897) Mem. pp. 311-77. 

 Cornet, J. ' Les Formations post-primaires du Bassin du Congo ' Ann. Soc. geol. 



de Belg. vol. xxi (1893-94) Mem. pp. 194-279. 

 Dcjpont, E. ' Communication sur la Geologie du Congo ' Bull. Soc. beige de Geol. 



vol. ii (1888) Proc.-verb. pp. 44-51. 

 Hudleston, W. H. 'On the Origin of the Marine (Halolimuic) Fauna of Lake 



Tanganyika ' Geol. Mag. 1904, pp. 337 et seqq. 

 Junker, W. J. 'Travels in Africa during the Years 1882-1836' (transl. A. H. 



Keane, 1892). Sketch of Mount Tena, p. 71. On p. 49 he mentions iron- 

 rings dug up in field-operations ' exclusively about Mount Tena ' ; one measured 



18 inches in diameter, they vary in thickness from a little under to a little over 



1 inch, and weigh from 25 to 30 lbs. They are ' probably not metal at all, 



but an iron-ore.' 

 Prior, G. T. 'Contributions to the Petrology of British East Africa ' Min. Mag. 



vol. xiii (1901-1903) pp. 228-63. Describes the Archaean and volcanic rocks. 

 Passar&e, S. ' Die Kalahari ' Berlin, 1904. Origin of laterite, pp. 463, &c, and 



a general discussion of the Karroo Series. 

 Hosiwal, A. ' Beitrage zur geologischen Kenntniss des ostlichen Afrika ; pt. ii ' 



Denkschr. d. k. Akad. d. Wissensch. Wien, vol. lviii (1891) pp. 465 et seqq. 



Describes and figures the ancient rocks. 

 Stainier, X. ' The Geology of the Congo : Guide de la Section de l'Etat Inde- 



pendant du Congo a l'Exposition de Bruxelles-Tervueren, 1897, p. 269 (map) ' 



Trans. Inst. Min. Eng. vol. xv (1897-98) pp. 491 et seqq. 

 Zboinski, H. 'Esquisse geologique du Bas-Congo ' Bull. Soc. beige de Geol. vol. i 



(1887) Mem. pp. 36-41. Describes a series of rocks in the Lower Congo 



similar to that described by Rosiwal. 

 Pechuel-Lcesche. 'Zur Geologie des westlichen Kon2;o-Gebietes ' Deutsche 



Rundschau f. Geogr. u. Statistik, vol. viii (1886) pp. 289-93. 

 Kuech, B. Tschermak's Min. & Petr. Mitth. n. s. vol. vi (1884) pp. 93 et seqq. 



Describes the rocks collected by Dr. Pechuel-Lcesche. 

 Muegg-e, 0. ' Ueber einige Gesteine des Massai-Landes ' Neues Jahrb. f. Min., 



Beilage-Band iv (1886) pp. 576-609. 

 Raisin, Miss C. A. ' On some Rock-Specimens from Somaliland ' Geol. Mag. 1888, 



pp. 414 et seqq. Deals with hornblende-diabases and microcline-granites. 



EXPLANATION OF PLATES XLII-XLIV. 



Plate XLII. 

 Geological sketch-map of the north-eastern territories of the Congo Free State 

 and the Lado Enclave, on the scale of about 70 miles to the inch. 



The signs (m\ (p\ Cq)> (s) indicate respectively mica-schist, phyllite, 



quartzite, and sandstone at those points where they appear upon the map. 

 The straight lines joining the letters N and S signify the direction of 

 the strike. 



Plate XLIII. 

 Fig. 1. Muscovite-biotite-epidote-gneiss, obtained between Vankerckhovenvllle 

 and Farach. Magnified 15 diams. Specimen No. 15 (see p. 661). 

 2. Biotite-hornblende-microcline-gneiss, obtained between Loka and 

 Kodjokadji. Magnified 15 diams. Specimen No. 32 (see p. 661). 



