234 A NATURALIST IN MID-AFRICA. 



The chief cultivation seems to be millet, 

 " hungry rice," or wimbi, sweet potatoes, and 

 beans. 



The strata of the Karagwe series seem to be 

 folded in such a way that the fertility of the soil 

 is quite different in different places. Sometimes 

 one passes an outcrop of rich brown loam, and then 

 perhaps over a considerable extent of very sandy 

 soil. This makes it even more difficult than usual 

 to estimate the value of the country, but on the 

 whole it is probably very fairly good, and certainly 

 far better than Karagwe. 



Just before reaching Seribombo's plaqe, a mes- 

 senger came from a chief called Kasiliwamba to 

 see me and to show me a very curious letter of 

 which I here give a copy. 



Deutsche Ost Afrika, 

 Ekatoka den '29 August, 1893. 

 Der Sultan Kasiliwamba vom Katoka (Mpororo) 

 steht unter deutschen schutz. 



(Signed) Langheld 

 Gesehen, 28/7/94 Koinpagnie Fiihrer. 



This was also sealed with the seal of the Deutsche 

 Antisklaverei Komite. The peculiar coolness of 

 this letter very much impressed me, for Katoka is 

 a long way within the English sphere of influence, 

 as " Koinpagnie Fiihrer Langheld " must have very 

 well known. Of course, as no English official has 



