118. THE VETERINARY DOCTOR. 
the pouches of the throat, in disease of the bones of the face, in caries of 
the teeth, or in loss of nervous power. The symptoms of the disease aris- 
ing from these respective causes are sufficiently distinct to warrant a divi- 
sion into the five classes given below, under which the special treatment 
needed for a particular form will be given as it is demanded, with the 
remedies and their applications for all placed last. It is important to 
study this disease carefully; it is serious, but undue concern has been some- 
times felt at its appearance, because it has been mistaken for glanders. 
(1). SIMPLE NASAL GLEET. 
This results from simple catarrh that has been neglected. 
Symptoms.—Its symptoms are a whitish, yellowish, or greenish dis- 
charge of varying quantity from one or both nostrils, sometimes partially 
lumpy and clotted, and adhering to the sides of the nostrils; nasal mem- 
brane of a dull, leaden color and unhealthy look; in horses of low condition 
ulcers may appear close to the exterior of the nostrils, though this symptom 
indicates a transition to glanders; the gland under one or both jaws is 
slightly swollen, but not adhering to the jaw-bone, though perhaps tender; 
appetite poor; strength reduced; coat staring; work done languidly; nasal 
discharge exceedingly offensive, especially in poorly-ventilated stables. 
(2). PUS IN THE SINUSES. 
After severe catarrh dense pus sometimes fills the cavities of the nose 
and face and escapes from the nostrils. 
Symptoms.—The symptoms are a swelling of the glands under the 
jaw; swelling of the face on the affected side; the escape of the pus is im- 
peded. The presence of pus in the cavities may be determined by tapping 
with the hand on the side supposed to contain it; its presence will be 
marked by a dull sound. If but one side be affected, the dull sound of the 
diseased side will be in contrast with the hollow sound of the healthy one. 
Beside the treatment hereafter noted, a circular piece of bone must be 
removed by a veterinary surgeon, half-way between the margin of the 
orbit of the eye and the middle line of the head, and a similar opening be 
made into the jaw-bone above the cheek-bone. Then remove the matter 
thoroughly with tepid water and a syringe, following this up three times 
a day with an injection of hydrastis-lotion. 
(3). PUS IN THE POUCHES OF THE THROAT. 
The inflammation and formation of pus attending nasal catarrh may 
extend to the throat, where the pouches collect pus as in strangles. The 
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