562 CLINICAL VETERINARY MEDICINE AND SURGERY. 



days previously, measured three eighths of an inch in length. It had 

 invaded the anus and caused obstinate constipation. 



2. Tuberculous Lesions of the Skin and Mucous Monbranes. 



Case 16. Parrot ill for the previous three months. Two horny 

 growths, one over the throat, the other on the left side of the head. 

 Several small yellowish vegetations on the buccal mucous membrane 

 behind the commissure and on the palate. 



Case 17. Parrot showing two cutaneous horns on the back opposite 

 the wings ; whitish patches, the size of a lentil, at the base of the 

 tongue and on the left side of the larynx. 



Case 18. Parrot ill for the previous two years. On either side of 

 the head, opposite the commissures, were small horny growths. On the 

 palate was a conical horny growth, the size of a haricot bean, directed 

 forwards. The end extended beyond the tongue. The base, which 

 was about three eighths of an inch in diameter, was attached to a finely 

 granulating surface. 



Case 19. Parrot bought eighteen months before. Had shown 

 difficulty in swallowing for the past six months ; was emaciated. Two 

 small tumours existed, one above the upper mandible, the other behind 

 the left commissure, each the size of a pea. A third ulcerated swelling 

 was seen on the palate. The bird died on the 15th March, 1895. No 

 visceral lesions. 



3. Tuberculous Lesions of the Mucous Membrane. 



Case 20. Parrot which for the previous two months had shown 

 several small greyish swellings on the commissures of the beak and 

 on the tongue. These growths had gradually increased in size, become 

 confluent, and ended by forming two flattened tumours of considerable 

 thickness, the outer part of which extended as far as the branches of 

 the lower mandible. The lingual patches having been detached with a 

 director the mucous membrane beneath was seen to be red, thickened, 

 and granulating. Another patch of similar character, but smaller 

 extent, occupied the palate. 



Case 21. A parrot which had been ill for five months; swallo\v'ing 

 very difficult ; extreme wasting during the last month ; tuberculous 

 vegetation on the tongue and hard palate. 



Case. 22. Parrot affected with a large swelling at the base of the 

 tongue ; great difficulty in deglutition. For five or six months pre- 

 viously the animal had suffered in condition. 



Case 23. Parrot showing a rounded tuberculous growth the size of 

 a pea on the hard palate. 



