228 RECOLLECTIONS OF FORTY YEARS. 



once to its interests and the necessities of navi- 

 gation. 



" 13. Reply to the objections raised as to the 

 difficulties of navigation in the Eed Sea and the 

 Gulf of Pelusium. 



u 14. Make a preliminary maximum calculation of 

 all the costs, and indicate the time at which presum- 

 ably the canal may be open for navigation. 



"15. Add to the project of a maritime canal one 

 for a communicating, feeding, and irrigating canal 

 brought from the Nile, starting from a point be- 

 tween the damming of the river and Cairo, and pro- 

 ceeding by way of Ouadee to Lake Timsah, the dimen- 

 sions of this canal to be so calculated that with its 

 draught of water it will be capable of irrigating 

 about 250,000 acres when the Mle rises. This canal 

 should, when it reaches Lake Timsah, with which it is 

 to be connected, branch off into two parts, one going 

 to Suez the other towards Pelusium. 



"16. Examine whether the sands of the isthmus 

 are likely to interfere with the working of the canal, 

 and what use can be made of them by means of the 

 irrigating canal. 



" 17. Give a maximum estimate of the cost of the 

 subsidiary canal and of the time required to make it. 



" 18. Point out the character, quality, and site at 

 which are to be had easily, and with little cost of 

 transport, the materials required for the works. 



"19. Finally, give an estimate of the minimum 



