THE KIXGDOAF OF UGANDA 



107 



causeway of wliitp sand Imilr up lietween stacks of palisades, which are 

 further streiigtlieued by rough Imsketwork. These causeways not having 

 been originally constructed to be traversed by a man on horseback, the 

 sandy loam which is heajjed on a foundation of jiapyrus stalks and sticks 

 has not a very sure surface. The horse or mule, or even the man on foot, 

 may suddenly sink a foot down into this loose material, though there is 

 very little danger of a broken limb. ()ut in the middle of the marsh a 

 greater looseness of structure in the causeway no doubt permits of the 



PAPYRUS IX AX UGANDA MARSH 



slow percolation of the water, for these swamps are generally the beds of 

 rivers nearly stagnant in their flow. 



Looking on either side as the marsh is he\ng crossed, the traveller will 

 notice first of all the gigantic papyrus, which may be growing up as high 



