288 ON USEFUL AND ORNAMENTAL STONES OF ANCIENT EGYPT. 



have ventured to call the Desert sandstone, and the red sandstone 

 above which I believe to be true Nubian sandstone. Therefore Sir 

 William Dawson has a right to hold the opinion, if he chooses, 

 that as the Nubian sandstone is found in the Sinaitic Peninsula 

 resting on Carboniferous strata it may be of an age intermediate 

 between the Permian and Lower Cretaceous ; but it is impossible 

 to say ; and my own opinion is that the Nubian sandstone proper 

 is of the Lower Cretaceous age. 

 The meeting was then adjourned. 



his travels in Egypt, when his Arabian servant wanted something in the 

 shape of a knife, he searched for and took up a couple of flints and 

 formed a flint knife for himself on the spot, throwing it away again when 

 it had served his purpose. — Ed. 



