233 



From the fact that the height of the Nile varies con- 

 siderably from year to year it would be unwise to accept 

 the figures given as absolute, yet they are sufficiently 

 striking to show how the amount of suspended matter 

 varies, generally speaking, with the height of the river. 



The following table shows the composition of the sedi- 

 ment during the flood months, for the years 1898 

 and 1899 : 



COMPOSITION OF DRY NILE MUD DURING FLOOD. 



