[56]Geol. d. Liby. Wüste, 1883, pp. 122, 123.
[57]Le Ligurien et le Tongrien en Égypte, Bull. Soc. Géol. France, sec. III, vol. XXI (1893).
[58]Beadnell, op. cit. (Farafra Oasis) p. 28.
[59]Lyons, op. cit. pp. 537-540.
[60]Op. cit. (Découvertes Géologiques Récentes, etc.) pp. 855-856.
[61]We except, of course, the very local areas where a Carboniferous fauna has been detected.
[62]Compare, op. cit. The Cretaceous Region of Abu Roash, etc.
[63]Or, as suggested above, these folds may have been produced in later times, i.e., Pliocene, when important earth-movements were known to have taken place in N.E. Africa and S.W. Asia.