372 A NATURALIST IN MID-AFRICA. 



too long to set up, and as one has seldom sufficient 

 time to visit the salient points necessary for work- 

 ing it. I think the best method would be to 

 practise in the country before starting, with some 

 one of experience. 



It is, I think, necessary to take a camera. 

 Captain Hill, R.E., has quite recently invented 

 a photographic method of taking longitudes, and 

 General Stewart's panoramic camera may replace 

 the plane-table in future work, but both these 

 instruments are scarcely in current use. Of course 

 a Kodak or its varieties is very convenient and 

 useful, but I do not think the results are ever, 

 except under special circumstances, so good as 

 those produced by a regular camera, and I fancy 

 this is more pronounced when the photographer is 

 a beginner like myself. The experience of others 

 seems to be that developing and printing on the 

 journey is a mistake. My slides were brought 

 out and carried home in special tin boxes with 

 lids fitting over the sides, and holding two dozen 

 plates. They were exposed to about 18 months' 

 carriage, and I think that the system is the right 

 one, for the failures which I experienced were, I 

 think, due to my own inexperience and careless- 

 ness. A dark tent of some kind would have been 

 an enormous advantage, or perhaps a changing 

 box. 



Of sporting matters I know even less, but I 

 have noticed that most of the best sportsmen I 



