{02 DADD’S VETERINARY MEDICINE AND SURGERY. 
PERCIVALL informs us that the true polypac us a 
tached to mucous membranes, and is usually fcund ix 
the nasal cavities. He tells us that attending the diffi 
culty of breathing is a mucous discharge from one o 
both nostrils, sometimes attended by a discharge of 
blood. Occasionally, however, pure blood runs con- 
tinuously from the nose. Inspection in a full light dis- 
POLYPUS . * + 
wim te closes, higher or lower in the nostril, the rounded base 
NOSTRIL 
of a pelypus. 
Treatment.—The services of a veterinary surgeon are, as 4 
matter of course, here needed. The patient must be cast and the 
head fixed in a position so as to take advantage of the light. The 
operator then passes into the nostril and around the tumor an in- 
strament called an ecraiseur, which will remove the tumor without 
loss of blood. If the instrument is not at hand, the surgeon will 
pass a ligature around the base of the tumor, and in the course of 
a couple of days it will be detached. PERcIVALL recommenda 
‘hat, in bringing down the tumor fcr operation, we must not use 
any great force. The pedicle being but a duplicature of the skin, 
aod not a portion of the polypus itself, may be divided anywhere. 
In some cases, the polypus is so high up within the nostril that, 
‘'n order to get at its base, it becomes necessary to make an incis- 
ion through the wall of the nostril. 
CHABERT, in his “ Veterinary Instructions,” relates the follow- 
ing: “A horse in a cavalry regiment had been gradually losing 
flesh, and was quickly and painfully blown at every little exer- 
tion. Fetid matter began to run from his off nostril, and the 
gland correspondent enlarged. The horse was supposed by the 
sergeant-farrier to be glandered, (there being no veterinary sur- 
geons then in the French service,) and was treated accordingly. 
After a time, to the confusion and astonishment of the man, a 
fleshy substance began to appear in the nostril, and which rapidly 
increased in size. At length a great mass protruded, and the far. 
rier cvt it off. No benefit followed; the nostril was still stopped, 
the breathing laborious, and the horse daily became thinner and 
weaker. After the .apse of a twelvemonth, the case attracted 
the attention of M. Tears, the surgeon of the regiment. He cast 
the horse and slit »p the nostril, when he not only found it com- 
pletely filled with polypus, and the septum narium bulging inte 
the other divicion of the cavity, but, from long-continued inflam. 
