when, as is sometimes the case, the nest is in a hollow tree. Some of 

 the species make nests under bushes or tree cactus, piling a heap of 

 stuff over the nest. It would be easier to say what is not in these heaps 



Bailey's Wood-rat c 



Photograph by Herman W. Nash. 



nileyi. 



than what is, for anything portable is carried to them, sticks, bones, cow 

 chips, horse dung, pieces of metal, rags, anything not too much for the 

 animal's .strength. Nor do the animals always take their booty to the 

 nests. A lot of knives, forks and spoons were once missed from a mine 



No. 7. Nest of Bailey's Wood-rat. Photograph by Herman W. Nash. 

 15 



