OUTLINE OF CHAPTER XIV. 



FARM ANIMALS. 



E. A. TROWBRIDGE, 

 Animal Husbandry, University of Missouri. 



^.GENERAL PRINCIPLES. 



I. Early History. 

 II. Improvement. 



III. Heredity. 



IV. Variation. 



1. Atavism. 



2. Ordinary Variation. 



3. Extraordinary Variation. 



V. Selection. 



1. Natural Selection. 



2. Artificial Selection. 



VI. Functions of Animals Under Natural 



Conditions. 



VII. Changes Wrought by Man. 

 VIII. Relation of Form and Function. 



/?. HORSES. 

 I. Light Horses. 



T . Type. 

 2. Breeds. 



II. Coach-Horses. 



1 . Type. 



2. Breeds. 



HI. Draft-Horses. 



1 . Type. 



2. Breeds. 



C CATTLE. 

 I. Beef-Cattle. 



1. Type. 



2. Breeds. 



