BUILDINGS 



317 



they may prove suggestive of ideas to the man who intends to 

 build, and each man must decide for himself what modifications 

 would render them most suitable to his circumstances. 



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Fic. 85. — Front view of farrowing pen. 



Bulletin 152 of the Iowa Station is an excellent treatise upon 

 portable houses for swine. It is worthy of note that the Iowa 

 Station found the temperature in metal pens to vary much more 

 than that in wooden pens. 



