1883.] THE VENTILATION OF FARM BUILDINGS. 213 



large ventilators in the top, which were so constructed that the 

 passage of the wind drew up the air out of the ventilators. But 

 what I wish to describe more particularly is the construction of 

 the stable where my cows were. The stable was eighteen feet 

 wide, and only one tier of cows kept in it. ]n the rear of the 

 cattle was a bin running about forty-five feet, and four or five 

 feet high, and that bin contained yellow earth, put in in the 

 heat of summer, when it was very hot, and at odd times, and 

 it was for the purpose of absorbing the manure, and to generally 

 deodorize the whole stable. Underneath was a manure cellar, 

 ten feet deep, occupying the whole space, containing from 

 sixteen to twenty pigs — fattening shoats. My cattle were all 

 bedded down in stalls and fed from the barn-floor. Now, no 

 stable is perfect without deodorizing. 1 care not how much 

 ventilation you have, the manure will be sure to taint the 

 milk unless you use some deodorizer. I had several venti- 

 lators, some from the top of the stable, and some running 

 from the bottom, and even running down into the manure 

 cellar, and carried up through the roof, with an apparatus on 

 top, made of boards, so arranged that whichever way the wind 

 blew it would strike that and draw out the air from beneath. 

 After the stables were cleaned in the morning, tlie bedding was 

 thrown aside ; that which was dry was retained, that which 

 was wet was thrown into the cellar below, and then the work- 

 man took his shovel, turned round and worked it into this 

 dry earth — just as dry as it was in the summer — no moisture 

 in it of any consequence — and scattered from half an inch 

 to an inch under the cattle and in the trench back of them. 

 The result was, visitors who came to see my cattle said, 

 " Doctor, how do you keep all bad odors out ? We do not 

 smell anything here. A man could eat his dinner here." 

 " Yes," I said ; " don't you sec this deodorizing mate- 

 rial, common earth, which is the best deodorizer you can 

 get, only have it dry?" No stable is complete without it, 

 gentlemen. It costs you a little labor in the summer, but it 

 will much more than pay for that labor in the beneficial effect 

 which it will produce. You do not want any great air cur- 



