The illustration on the right Is a photograph of the hind quarter of St. 

 Saviour, a thoroughbred stallion, showing a clean, strong hock and properly- 

 set hind leg. The photograph on the left shows a curb on the right leg due 

 to a weakly supported hock also improperly set. 



The left illustration shows a liind leg too straight, while the right one 

 shows the other extreme in being set too far back. 



