s 



31 



The next day, the eye-lids were swollen, and the general condition of the fowl 

 was disturbed. In a few days, all pathological symptoms had disappeared . 



Fowl 28. Large strong hen, about i^ years old. 



Had been diseased with roup at the beginning of the winter, and entirely 

 recovered. 



March 15. — Was inoculated with 11.2 c.c. of a 24-hour-old roup culture in 

 the right pleural cavity, and % c.c. under the conjunctiva of the right eye. 



March 16. — ^General condition disturbed. Small swelling of the eye-lid. 



]\larch 17. — Condition, normal. 



April 14. — Subcutaneously inoculated with a 5 c.c. of a culture of the roup 

 bacillus near the sternum. 



April 15. — General condition, normal. Locally no change. 



April 22. — 5 c.c. of a 24-hour-old roup culture again subcutaneously ino- 

 culated. 



April 23. — General condition much disturbed. The bird is apathetic and 

 mopes in a corner of the cage. Locally, no change. 



May I.— General condition still disturbed, with loss of flesh. All mucou 

 membranes are pale ; no appetite. 



The 14th of June, a stinking diarrhoea set in, and the fowl died on the i8th. 



Post-mortem examination showed many grey, solid nodules in both lungs. 

 and a slimy catarrh ; at other places, a hemorrhagic inflammation of the thicker 

 bowels. 



Fowl No. 29. — Young hen which had been afifected with roup in the early 

 winter ; healthy when inoculated. 



March 16. — Inoculated in mouth and eye-lids with a culture of the roup 

 germ, which had been passed through pigeons. 



March 17. — Eye-lids considerably swollen, and hot. On the right sid',? 

 there is a serous secretion from the conjunctiva. Conjunctiva is grey, swoll 

 en and soft. General condition, highly disturbed. 



^larch 19. — In the depth of the right upper eye-lid, a solid round tumor hai? 

 formed. It is neither in direct contact with the mucosa or cuticle of the eye- 

 lid, both being movable upon it. Conjunctiva, grey-brown in color. Slimy, 

 putrid catarrh of the conjunctiva. The left upper eye-lid is but slightly swoll- 



en. and no conjunctival catarrh exists. General condition, very much dis- 

 turbed. Bird apathetic, with almost no appetite. 



March .re— The tumor in the right eye-lid is better, and symptoms of 

 acute inflammation have disappeared. Secretion of the conjunctiva is slimy 

 and putrid. General condition, much better. 



^larch 21. — Dead. 



Post-Mortem : Carcass fairly well nourished. The solid tumor in the 

 right upper eye-lid consists of a firm mass of pus. 2 cm. long. I2 cm. wide, and 

 2 mm. thick : color grey. It can be easily extracted, being surrounded by 

 a dirty grey, smooth membrane. Conjunctiva is grey, and uneven. In the 

 submucous tissue of the left upper eye-lid, there are a few grey layers of pus, 

 not surrounded by a membrane, as in the right eye-lid. The inner eye and 

 other organs unchanged. 



