46 



HORSES. 



maintain themselves when adult, by the nourishment conveyed 

 to them by this covering membrane, which is thickly interspersed 

 with blood vessels. 



When this periosteum is injured, either by concussion or 

 external violence, inflammation is set up. Inflammation where 



Fig. I.— Splint Attaching Internal Small Metacarpal Bone. 

 , Internal small metacarpal bone. 



2. External small metacarpal. 



3. Large metacarpal bone 



Bony growth constituting a large splint, and attaching the small 

 to the large metacarpal bone. 



the cannon and splint bones join is the commencement of what 

 is called a splint. The blood vessels bring too much bony 

 material to the spot and leave a deposit there. 



