THE OFFICFS OF THK ANIMAL 20;i 



crops, as clovor, carry away nnicli mure plaiit- 

 fonil, it' tlioy are sold otf tlio farm, tlian tlie 

 animal products which, in larsj^e part, are elabo- 

 rated from them. 



4. lliv Annual /Lis Intrinsic Valiw to Mau 

 4(1. As urtirlts of food 



.■)4'J. Animals are dinM-t sources of food. 

 They contribute the various kinds of llrsli. a> 

 beef, pork, poultry, fish. 



343. Aiiinuds are indirect sources of foo«l, 

 coutributinir of their products, as ej^j^, milk. 



344. Animals also contributt* materials to 

 various manufactured food products, a.s cheese, 

 condeused milk, butter. 



ib. As articles usetl in tin- arts 



345. Animals contribute materials f«)r cloth- 

 ing. Amon;:>t such products are leather and 

 wool. They also afford nuit«'rial for many 

 articles of personal use. as featiiers. bone. hair, 

 glue, horn. 



34(5. Aninuils contrilnit4^ largely to fertilizing 

 materials, particularly to substances containing 

 nitroi^ou and phosphoric acid. Amongst sucli 

 materials, the most important are bones, dried 

 bloofl, tankage ; of secondary importance are 



