Apparatus for a Field Worker 89 



bersome, I consider more satisfactory in tlie long 

 run. 



In this connection a chancjino; bag is often a 

 useful thing, although it is difificult to find one 

 that is satisfactory and that will not wear out and 

 become useless in a short time. 



When one is going on a camera hunting trip, 

 however, where he will have no access to anything 

 resembling a dark room, it is well enough to take 

 one along, as by its use one can remove his plates 

 from and reload his plate-holders even in broad 

 daylight. Mr. Dugmore describes one which he 

 has found useful as follows : " A simple form that 

 answers for a changing bag is a square, box-shaped 

 bag, well reenforced and bound at the edges. At 

 each corner there is a loop to which cords are 

 attached that will hold the bag in position ; two 

 sleevelike openings (with rubber bands to hold 

 them closely about one's arms) on one side admit 

 the arms and should be made large enough to let 

 the plate-holders enter." He further says that 

 one made of pantasote is the best, as any material 

 in which rubber is used will soon harden and 

 crack. In this I fully agree with him, and I think 

 that the one he describes is probably the simplest 

 and best form of a changing bag that one could 

 use. When in use it is swung from any conven- 

 ient branch or branches, and while one cannot 

 well see what he is doing, when he once knows 



