1. Hard grey sandstone and shelly limestone } passing up into calcareous sandstone } (forming surface of plain dipping north). } } 2. Impure sandstone with numerous fossils:— } _Qerunia cornuta_, corals, _Ostrea Reili_, } _O. Clot-Beyi_, _Carolia placunoides_, } _Plicatula polymorpha_, _Cardita_ } (? _fajumensis_) sp., _Clavelithes } longævus_, _Serpula_, etc. } } 3, 4. Clays with band of argillaceous } Lower part sandstone. Septaria bed near base. }(42 metres) Fish-remains. } of Qasr } el Sagha 5. Earthy limestone crowded with _Ostrea } Series. Clot-Beyi_, _O._ sp., _Plicatula } polymorpha_, _Pecten_ sp., _Lucina_ sp., } _Cytherea_ sp., _Turritella_ sp., } _Nonionina_ sp., _Oliva_ sp., _Pleurotoma_ } sp., _Vermetus_ sp., _Nautilus_ sp. } } 6. Thin-bedded clays, grey with yellowish band, } sandy clays interbedded with soft whitish } sandstones with small irregular concretions. } Clays, gypseous and sometimes carbonaceous. } } 7. Shelly sandstone, hard on upper surface and } very fossiliferous (forms similar to Bed 9). } } 8. Gypseous clays. } 9. Thin (·25 to ·5 metre) hard dark reddish-brown, very ferruginous, concretionary-weathering sandstone with nummulites and _Operculina_ and well-preserved examples of _Qerunia cornuta_, _Pecten_ sp., _Pectunculus_ sp., _Venus_ sp., _Cardita Viquesneli_, _Astarte_ sp., _Macrosolen Hollowaysi_, _Lucina_ sp., _Natica_ sp., _Cerithium_ sp., _Clavelithes longævus_, _Voluta_ sp., _Dentalium_ sp. 1 10. Hard purplish clays 7 11. Soft yellowish sandstone with _Ostrea_ sp., _Cardita ægyptiaca_, _Lucina_ sp., _Turritella_ sp., and sharks’ teeth. Upper surface tends to become dark, ferruginous, and concretionary 1 12. Purple clays, with strings of gypsum 6 13. Soft light-yellow sandstones with harder shelly bands and occasional concretionary beds, forming vertical cliff-wall 17