40 FROM THE NIGER TO THE NILE 



making astronomical observations, and then to spend the 

 greater part of the time in mapping the region north of the 

 Gongola, connecting that with Kukawa and Lake Chad. We 



SNAKE CHARMER AT lEI 



afterwards decided, however, that it would be more useful 

 under the circumstances to carry the connection with Ibi 

 right through, and in a more accurate manner than merely 

 by chronometric longitudes. 



We spent many days at Ibi getting the survey instru- 

 ments into thorough working order and fixing the position 

 of the place itself. Meanwhile Gosling had gone north- 

 west across the river on a hunting expedition to Lafan 

 Gisseri, a place about fifteen miles from Ibi, where he describes 



