WHERE PRODUCTION AND DISTRIBUTION MEET 503 



tions. At the same time they commenced to work 

 out with infinite patience and at large expense that 

 marvelous line of by-products which has now be- 

 come of such tremendous economic importance to 

 the world. 



It would require hours to introduce at this point a 

 complete review, giving dates, processes and figures, 

 summarizing the evolution of the extraordinary busi- 

 ness in fresh, cured and canned meats, lard, beef 

 extract, glue, fertilizer, soap, bone novelties, hides, 

 pelts, wool, leather, ammonia, pepsin, curled hair 

 and other products of the modern packing plant. 

 We would need still other hours to trace the begin- 

 nings of the development of the science of refrig- 

 eration as applied to the business of transporting 

 and distributing food products. It would be a won- 

 drous story if one could tell the particulars of the 

 campaign waged for foreign markets. Suffice it to 

 say that these men are selling food products to all 

 the world. Their goods have been cached within 

 both the arctic and antarctic circles, and a story is 

 told of an unopened Chicago tin once found by 

 African hunters safely stowed away inside a croco- 

 dile killed on the Zambezi River. 



The aggregate value of the animals passed 

 through the Chicago Union Stock Yards during the 



