246 



excossivelv distciidcMl witli thick flaky ])ile. The bile is 

 said to he tliicker and more flaky in eases that were siek 

 several <lavs hefcn'e dvinir than it is in eases that die in 

 a short time after becoming affected. 



The sjdeen or "m(>lt" is generally much larger than 

 it is in the healthy animal ; it may be three or four times 

 as large as a normal, healthy one. It is darker than a 

 normal one, and when cut open its bluish-black con- 

 tents slowly flow out. There are some genuine cases of 

 Texas fever in which the spleen is not very much en- 

 larged or changed in color and structure. 



The mucous membrane linijig the fourth stomach and 

 intestines may be inflamed or eroded in spots or patches; 

 cut them open and wash away the contents so that the 

 red, inflamed or ulcerated condition may be distinctly 

 observed. In some cases the contents of the fourth 

 stomach and of the intestines in places may be tinged 

 with blood; if the intestinal contents are hard and firm 

 they may be surrounded by a gelatinous material or 

 exudate that is in places tinged Avith blood. 



In severe cases when the animal dies early in the 

 course of the disease, the kidneys may be enlarged and 

 they may have a uniform brownish red color through- 

 out their entire structure. Cover glass smears made 

 with blood taken from the kidneys will show that a very 

 large per cent, of the red blood cells contain the micro- 

 parasite. The bladder will usually contain more or 

 less dark brown or red colored urine. The color is pro- 

 duced by the haemoglobin that is held in solution in the 

 urine and comes from the disintegrated red cells of the 

 blood. The urine also contains albumen. 



The white membranes or tissues of the body — such as 

 the serous and mucous membranes, the connective tis- 

 sue under the skin, etc. — may become tinged wuth yel- 

 low very like the jaundice yellow in man. This is most 



