488 ALPHABETICAL SUMMARY. 
INJURIES TO THE JAW. 
Causes.—Pulling the snaffle; abuse of the bit; too tight a curb- 
chain. 
Symptoms.—Discoloration before or behind the tush; bruise under the 
tongue or upon the roof of the mouth; tumor and bony growth upon 
the margin of the lower jaw. 
Treatment.—Cut upon the discoloration till the knife reaches the bone ; 
if fetor is present, inject the chloride of zine lotion; keep the wounds 
open, that the injured bone may come away. 
LACERATED EYELID. 
Causes.—Nails in the gangway, or the horses playfully snapping at 
each other. 
Treatment.—Bathe with cold water till the bleeding ceases; allow the 
separated parts to remain until the divided edges are sticky; bring to- 
gether with sutures; place the horse in the pillar-reins till the healing is 
perfected. 
LACERATED TONGUE. 
Causes.—Sticking to a horse when giving physic; making a “chaw” 
of the halter-rope. 
Treatment.—Insert no sutures; if the arteries are excised, cut off the 
hanging portion of the tongue; should the vessels have escaped, allow 
all to remain; feed on gruel and soft food; after every meal wash out 
the mouth with the solution ordered for aphtha, or with the chloride of 
zinc lotion. 
LAMPAS. 
A groom’s fancy. 
LARYNGITIS. 
Cause.—Foul stables. 
Symptoms.—Dullness; enlargement over the larynx; stiff neck; short 
and suppressed cough; breathing hurried and catching; pulse full; nasal 
membrane almost scarlet. 
Treatment.—Give drachm doses of tincture of aconite, in wineglasses 
of water every half hour, to amend the pulse. Refrain from bleeding. 
Put on a steaming nose-bag, and keep it almost constantly applied, to 
amend the breathing. Fix some hay, soaked in boiling water, upon the 
