170 DISEASES OF THE HORSE. 
tread in traveling. The treatment in these cases is only 
palliative in its confirmed state; the same treatment as 
for navicularjoint lameness is proper. 
SHOULDER STRAIN. 
This arises from slipping, severe blows, falling in the 
shafts, etc. The symptoms are all well marked. The 
animal, instead of raising the foot, drags the toe on the 
ground in walking; on making a lever of the leg, by 
bringing it forward, the animal manifests much pain; 
these usually are positive symptoms. 
Treatment.—Bleed freely from the Plantar vein run- 
ning down upon the inside of the front-legs. Foment 
the shoulders well with hot water if the case is a recent 
one. If of long standing, a seton will be more effective. 
The following liniment will be a useful application : 
Sweet oil 1 pint, spirits of hartshorn 3 oz., spirits of tur- 
pentine 2 oz.; mix all together; shake well before. 
using. Or, alcohol 1 pint, spirits of camphor, tincture of 
myrrh, castile soap, of each 1 oz.; mix all together ; or 
oil of turpentine 1 oz., tincture of opium 1 0z., soap lini- 
ment 1 0z., tincture of capsicum 1 dr.; mix all together. 
CAPPED HOCK. 
This is a bruise of the cap or point of the hock-joint, 
forming a serious abscess. 
Treatment.—Apply the blister recommended in coffin- 
joint lameness. Tincture of iodine or iodine cintment . 
is sometimes useful. 
BONE SPAVIN. 
This is one of the most common causes of lameness in 
the hind-legs. Spavin arises from strains, sprains, or 
blows upon the hock-joint, causing an inflammatory con- 
