| Fig. | Page. | |
| 1. | Sketch-map showing position of area described | [1] |
| 2. | Map of Abraq Springs | [123] |
| 3. | View from the summit of Gebel Elba | [229] |
| 4. | Granite of Gebel Fereyid | [269] |
| 5. | Red pegmatitic granite of Wadi Gemal | [271] |
| 6. | Biotite-granite of Gebel Abu Hegilig | [273] |
| 7. | Hornblende-granite of Gebel Elba | [275] |
| 8. | Hornblende-granite of Gebel Hamata | [275] |
| 9. | Granite-porphyry of Kreishim Hill | [276] |
| 10. | Quartz-felsite of the Wadi Huluz | [277] |
| 11. | Quartz-felsite from a dyke at Gebel Kolaiqo | [278] |
| 12. | Altered quartz-felsite of Gebel Igli el Iswid | [281] |
| 13. | Microperthitic structure in felspar of quartz-felsite of Gebel Hadarba | [282] |
| 14. | Fractured felspar crystals in crushed quartz-felsite of Wadi Huluz | [282] |
| 15. | Syenite of Gebel Zergat Naam | [284] |
| 16. | Syenite-porphyry of Gebel Zergat Naam | [284] |
| 17. | Trachyte from a dyke at Gebel Kahfa | [285] |
| 18. | Diorite of Gebel Allawi | [287] |
| 19. | Diorite of Wadi Baaneit | [287] |
| 20. | Augite-diorite of Wadi Um Hargal | [289] |
| 21. | Augite-diorite of Gebel el Anbat | [290] |
| 22. | Mica-diorite from a dyke at Gebel Abu Hegilig | [291] |
| 23. | Diorite-porphyrite of Gebel Abu Hodeid | [292] |
| 24. | Augite-porphyrite of Wadi Muelih | [293] |
| 25. | Kersantite of Gebel Fereyid | [294] |
| 26. | View near the top of Gebel Sufra | [296] |
| 27. | Andesite of Gebel Sufra | [296] |
| 28. | Gabbro of Gebel Dahanib | [298] |
| 29. | Gabbro of Um Eleiga | [299] |
| 30. | Hypersthene-gabbro of Hadal Aweib Meisah | [300] |
| 31. | Olivine-gabbro of Gebel Um Bisilla | [301] |
| 32. | Olivine-gabbro of Gebel Atut | [302] |
| 33. | Olivine-gabbro from hill S.-E. of Gebel Selaia | [303] |
| 34. | Troctolite of Gebel Um Bisilla | [304] |
| 35. | Pyroxene-granulite of Kolmanab Hill | [305] |
| 36. | Diabase from under the Nubian sandstone, Rod el Nagi | [306] |
| 37. | Diabase from Gebel Abu Hamamid | [308] |
| 38. | Olivine-diabase from a dyke at the junction of Wadis Gemal and Huluz | [308] |
| 39. | Diabase from a dyke in Wadi Kreiga | [309] |
| 40. | Mica-diabase of Gebel Um Khariga | [310] |
| 41. | Basalt of Gimeida Hill | [311] |
| 42. | Basalt of Einiwai Hill | [312] |
| 43. | Amphibolite from hills near Gebel Um Gunud | [317] |
| 44. | Amphibolite containing olivine and bronzite, Qrein Salama | [319] |
| 45. | Serpentine (probably from a mica-peridotite), east of Erf el Fahid | [321] |
| 46. | Serpentine (from lherzolite), hills near Wadi Um Khariga | [322] |
| 47. | Serpentine (from dunite), low hills near Bir Abraq | [326] |
| 48. | Serpentine (from dunite), low hills near Bir Abraq | [326] |
| 49. | Serpentine (from wehrlite), Gebel Gerf | [327] |
| 50. | Bronzite passing into serpentine, Gebel Gerf | [327] |
| 51. | Serpentine (from harzburgite,), Gebel Korabkansi | [329] |
| 52. | Crushing of quartz and felspar in granite-gneiss, Gebel Um Rasein | [334] |
| 53. | Diorite-gneiss, Wadi Muelih | [334] |
| 54. | Crushed and altered syenite (schist), near Gebel el Anbat | [339] |
| 55. | Hornblende schist, Wadi Muelih | [340] |
| 56. | Schist composed of crushed volcanic rocks, Gebel Abu Hamamid | [341] |
| 57. | Hornblende schist, near Gebel Eqrun | [343] |
| 58. | Emerald and quartz, near Sikait | [345] |
| 59. | Tourmaline in talc-schist, Sikait | [346] |
| 60. | Section of sandstone at Gebel Um Khafur | [358] |
| 61. | Junction of sandstone and granite, west of Gebel Um Reit | [359] |
| 62. | Faulting near Wadi Saalek | [359] |
THE GEOGRAPHY AND GEOLOGY OF
SOUTH-EASTERN EGYPT.
CHAPTER I.
INTRODUCTION.
