LIST OF 
ILLUSTRATIONS IN INTRODUCTION. 
Map of Egypt and surrounding areas. 
PL I. Wadi Gabait, Erba Mountains. Erom a photograph by Mr. A. J. Cholmley. 
Jebel Erba from "Wadi Khur. Erom a photograph by Mr. A. J. Cholmley. 
PI. II. Wadi Ambaia, Erba Mountains. Erom a photograph by Mr. A. J. Cholmley. 
Wadi Kukut, Erba Mountains. Erom a photograph by Mr. A. J. Cholmley. 
PL III. Jebel Shellal, Elba Mountains. From a photograph by Mr. A. J. Cholmley. 
Looking towards the Red Sea from Jebel Shellal, Elba Mountains. From a photograph by 
Mr. A. J. Cholmley. 
PL IV. Source of the Shellal Stream, Elba Mountains. Erom a photograph by Mrs. Theodore Bent. 
Jebel Shindui from Jebel Shellal, Elba Mountains. From a photograph by Mr. A. J. Cholmley. 
PL V. Western slope of desert at Farafreh. Reproduced from a photograph in Remele's ' Photographic 
Album of the Libyan Desert.' 
Bab-el-Cailliaud, Oasis of Dakhel. Reproduced from a photograph in Remele's ' Photographic 
Album of the Libyan Desert.' 
PL VI. Desert landscape near Dakhel. Reproduced from a photograph in Remele's ' Photographic Album 
of the Libyan Desert.' 
Oasis of Dakhel, escarpment of plateau in the distance. Reproduced from a photograph in Remele's 
' Photographic Album of the Libyan Desert.' 
PL VII. Escarpment of desert plateau at Abu Roash. Alt. about 183 metres above Nile. From a photo- 
graph by Professor W. M. Flinders Petrie, D.C.L. 
Desert plateau behind Gizeh, looking south-west. Alt. about 76 metres above Nile. From a 
photograph by Professor W. M. Flinders Petrie, D.C.L. 
Outcrop of limestone desert behind Gizeb, looking eastward across Nile to Mokattam Hills. 
Alt. about 122 metres above Nile. From a photograph by Professor W. M. Flinders Petrie, 
D.C.L. 
View from top of escarpment of desert plateau above Naquada, looking across Nile valley to the 
eastern desert. Alt. about 365 metres above Nile. From a photograph by Professor W. M. 
Flinders Petrie, D.C.L. 
View from top of plateau above Naquada, looking westward down a valley of the desert. Alt. about 
426 metres above Nile. From a photograph by Professor W. M. Flinders Petrie, D.C.L. 
View through cleft from top of plateau above Naquada, looking into Nile valley. Alt. 426 metres 
above Nile. From a photograph by Professor W. M. Flinders Petrie, D.C.L. 
