THE ALTERNATE AND PARALLEL SYSTEMS. 213 



The small coops with slanting sides, Fig. 

 tilt box, T, are to shut birds 

 in temporarily, for sale or 

 other purposes, and have 

 nothing to do with the exer- 

 ciser, bnt are put there to 

 utilize the vacant space under 

 the front portion of the tilt 

 boxes, the slant at the front 

 of these coops being designed 

 to keep them out of the way 

 of the attendant's feet. As 3 

 is obvious, Figs. 77 and 128 5 

 both represent the same in- 

 terior. In each cut, a station- % 

 ary box is in the foreground I 

 and stationary boxes alternate -5 

 with tilt boxes all along the * 

 line through the whole length 

 of the building. Under the | 

 stationary boxes are laying 3 

 apartments, fifteen inches * 

 "between joints," in which o 

 are nests which are acces- i 



s 



sible to the attendant from * 

 the passage, P. 



The exits for the fowls to ? 

 gain access to their yards from 

 the stationary boxes are not 

 shown in Figs. 77 and 128, as 

 they are on the side of the 

 building opposite the passage. 

 The side of the tilt box repre- 

 sented at T rises at the begin- 

 ning of tilting. By reference 

 to the ground plan, Fig. 130, 



'7, under the 



