I'MK IM{()nrci'I\ K /()\ES 39 



lifihed on banks liiible to Blide by proU>cting them 

 with substantial masonry, but in preference to 

 undergoing the expense this would involve, sugar- 

 planters on the Zambezi use pumps temporarily 

 fixed and driven by portable engines. Pumping is 

 only practicable when the banks go straight down 

 into the water, but on the Zambezi it may happen 

 that after the llood-time of the rainy season a 

 sandy Hat has accumulated between the bank and 

 the stream, diverting the latter to the opposite 

 side, and that pipes which before dipped into 

 the water now dip into sand. Pumps have 

 then to be removed to another place, because 

 such is the volume of the sand drift during the 

 strong easterly winds of the afternoon that piping 

 carried across the sand spit would soon get buried, 

 entailing subsequent expense in excavating them 

 before the floods set in again. 



We find very different conditions on the Kiver 

 Chire. Instead of, as the Zambezi, a swift 

 destroying stream wandering from side to side of 

 a huge waterway, and concealing treacherous 

 shoals, the Chire fills its narrow bed with a 

 sluggish current of deep water. On the tri- 

 angular island of Inhaugoma, 1(30,000 acres in 

 extent, formed by the junction of the two rivers 

 \nth a connecting stream at the base, the con- 

 ditions for sugar-planting are very favourable. 



