180 
TUMOURS IN THE PHARYNX AND (ESOPHAGUS. 
operation seldom produces lasting good results. Iodide of potassium 
maybe tried. 
Tumours in the pharynx of horses are rare, and little is at present known as 
to their nature. The symptoms resemble those in oxen, and the methods for 
removal are similar ; but it is not always possible to introduce the hand into 
the pharynx. Degive, on making the post-mortem of a horse which had 
repeatedly suffered from sudden attacks of dyspnoea, threatening death from 
suffocation, observed a cystoid tumour as large as a hen’s ego- 0 n the floor of 
the pharynx close in front of the epiglottis Labat operated on a horse which 
had suffered from nasal bleeding and difficulty in breathing and swallowing 
By opening the larynx, and dividing the soft palate, he succeeded in removing 
a tumour from above the larynx by the ecraseur. The growth proved to be 
an epithelioma (compare with next chapter as to occurrence of larvmmB 
tumours). J 6 c 
Such tumours are rare in carnivora. Diericx removed from the pharynx of 
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