POULTRY-YARD. 43 



tern, the means of supplying your poultry 

 with water are ready at hand. 



The only objection I have ever heard 

 against this arrangement is, that if many 

 young cattle are kept in the same yard, they 

 become lousy, in consequence of being so 

 closely in contact with the fowls. I sup- 

 pose this belief to be entirely unfounded, for 

 in all the instances which I have seen of this 

 abundance of lice, it was obviously to be at- 

 tributed to the low and neglected condition 

 of the cattle themselves. Moreover, the 

 henlouse (Ricinus gallinBB) is both gener- 

 ically and specifically distinct from those 

 found on cattle, and it is impossible for these 

 parasitic vermin to live and increase on any 

 other kind of animal than that to which they 

 naturally belong. So far is this law of na- 

 ture carried, that, of the three kinds of ver- 

 min found on man, each is found only on 

 that particular part to which it naturally be- 

 longs, and is scarcely found in any other 

 situation. 



My plan is to elevate the fence of the 

 barnyard, by means of pickets, to the height 



