AS TO SOUNDNESS. III 
well known that a march of any length would lame them 
by “ springing a curb” afresh. Now I have told you all 
this in order to draw your attention to the fact that the 
_nearer toa right angle the tibia makes with the parts below 
it in the human being and the horse, the more does the 
line of weight pass through the calcaneo cuboid ligament 
(the ligament which is sprained and inflamed to con- 
stitute a curb), and it follows that the more this condition 
exists the more you must look for results at the dack of 
‘the hock in the one case, and under surface of the foot in 
the other case. Then again, you will have heard judges 
.of horses say they like a dig, flat, square hock, (they 
mean the zzner aspect of the hock, and not the outer),— 
and they are quite right too, as I shall show you presently. | 
Let us draw a dig, flat, square hock (Fig 6). .'It will be 
2 
Fic.. 6. 
seen that the squareness is only approximate, and the flat- . 
ness, if you look at such a hock, you will also find is not 
