KESKAUCH IN HKITISH WEST AFKICA. 



329 



the top ol: the hill, and for about one mile inland the same Hies have been 

 frequently taken. Further inland these species are gradually replaced by G. 

 morsitnns [siihmor.'iitans], this latter species being found in considerable numbers 

 all over the plateau surrounding Baro. The belt is hi places at least 4 miles 

 wide. Hartebeeste is known to occur on the plateau, and buffalo has been shot 

 within recent times. It may be of interest to note that the tsetse-flies appeared 

 to be atti-acted by grey flannel or sandy-coloured homespim cloth. 



" An interesting fact emerges from the above observations, namely that at 

 Baro G. pnlpalis is plentiful at a considerable distance from the river. As 

 regards the relative prevalence of G. palpalix and G. tachmoides, the former 

 was more frequently met with in the month of August, the latter in September, 

 the number of G. palpalis having apparently diminished." 



Since the above was written. Dr. Morrison caught one specimen of Glonshui 

 lonf/ipnlpis on the top of the plateau. 



The new native town of Baro is situated abont two miles up the line from the 

 i-ailway headquarters, on the side of the railway remote from the river. Close to 

 the railway there runs a creek for a few miles ; the country is thickly wooded 

 nnd G. palpalis is abundant. Onward from the creek the country is much more 

 ojien, while near Ivatcha (about 14 miles) there is a large plain which extends 



Fig. 1. — Typical open grass country of the savannah type. 



for several miles on the left. Towards and around Egga (68 miles), the bush is 

 only moderately thick, while in the vicinity of Kateregi (72 miles) it becomes 

 much thinner, and the soil is sandy. At 79 miles the railway passes within a 

 hundred yards of the river and here G. palpalis occurs. This region I traversed 

 22036 D 2 



