_Cholera._—Liver enlarged, dark green and softened, sometimes showing whitish spots. _Coccidial diarrhea._—More or less circular patches, depressed in the centre, associated with plugged cæca, the linings of which have sores. _Congested liver._—Much enlarged and engorged with blood, may be readily torn. _Fatty degeneration or fatty liver._—In the first case the liver is rather shrunken and hardened, and in the latter excessive deposits of fat may be noticed. _Liver trouble._—(Indigestion.) An enlarged liver without any of the special symptoms noted among the other diseases of the liver. _Gout._—Needle-like crystals (urate of soda) give the liver the appearance of having been covered with chalk. (Other organs in abdominal cavity covered with same powder-like crystals.) _Aspergillosis._—Necrotic areas with mold. (Fowls go light and move about in a depressed manner, resting on their breast bones.) STOMACH _Gastritis._—The mucous membrane lining of the stomach is reddened and inflamed. INTESTINES _Diarrhea._—Acute forms of intestinal troubles give rise to inflammation of the mucous membrane lining the walls of the intestines. _Cholera._—The upper portion of the intestines may be reddened and the contents show streaks or clots of blood. _Worms._—Round or tape worms present in intestines. CÆCA These blind ducts are of importance in showing the presence of coccidiosis in fowls or blackhead in turkeys. _Coccidial diarrhea._—The cæca are enlarged and show ulcers developing from the inside. WINDPIPE The linings of this organ should be clean and free of obstruction or mucous exudations. _Gapes._—Small worms about three-quarters of an inch long are found attached to the trachea. _Aspergillosis._—A whitish mold will be seen along the inside of the windpipe. _Pneumonia._—The bronchial tubes contain a thick mucous exudate. _Congestion of lungs._—Blood escaped from congested lungs is found in the bronchi. LUNGS These should be a bright red and spongy in texture. _Congestion._—One or both lungs are distended with blood and dark in color. _Pneumonia._—A condition that follows on congestion, the whole lung affected losing its spongy texture, the air spaces being filled with a semi-solid substance. _Brooder pneumonia._—Spots due to an Aspergillus fungus on lungs. (Chickens attacked.) MESENTERY _Cholera._—Congestion of blood vessels of mesentery often seen. _Tuberculosis._—The mesentery may be studded with nodules. SPLEEN _Tuberculosis._—A greatly enlarged spleen. _Enteritis._—(Bacterial.) Spleen enlarged but paler in color. URETERS _Cholera._—Ureters distended with yellow urates. INDEX