8 



The Bulletin 



become^dry and hard and slough out in places. The ears and tail may 

 also slough off. 



Stomach — The mucous membrane or inner lining of the stomach may 

 be very much inflamed and red, frequently shoAving evidence of ulcers. 



Lymphatic Glands. — Enlarged, congested, showing hemorrhagic spots 

 when cut open. Of these glands receiving special attention in hog cholera 

 are the mesenteric glands, or those along the intestines; lumbar and retro- 

 peritoneal are those lying near the back wall of the abdominal cavity; 



Fig. 3. Ulcers (large intestine), chronic form 



the lymphatic glands found near the angle of the jaw; the mediastinal 

 and bronchial glands in the region of the heart and lungs, and the in- 

 guinal glands found beneath the skin high upon the inside of the thigh. 

 Intestines — The inner lining, or the mucous membrane of the intes- 

 tines, especially near the ileo-cecal valve, the place where the small intes- 

 tine opens into the large intestine, may be congested and covered with 

 small red spots. At this point in the intestine it is not uncommon to see 

 ulcers varying in size and shape. One of the most constant is the some- 

 what circular button-shaped ulcer standing out from the surrounding 

 mucous membrane, Avith a greenish-yclloAv center. . The outer surface of 



FiQ. 4. Button Ulcers (large intestine), chronic form 



the large and small intestines may be literally covered with bloody spots. 

 Small greenish-yellow ulcers may be seen on the outer surface of both 

 small and large intestines. 



Spi-ekn — Almost without exception, the spleen or "milt" is enlarged, 

 dark and soft and covered with suuill red spots and easily ruptured. 



KiDNKVS — When the capsule, or covering of the kidney is removed, 

 dark red spots arc seen. Frequently these hemorrhagic spots are so 



