540 
S. STEWART. 
for animals sick with Texas fever are more excitable and 
vicious than healthy cattle. The presence of ticks on the es¬ 
cutcheon, thighs, flanks and elsewhere confirm the diagnosis. 
When an animal sick with Texas fever is slaughtered, the 
examiner will find the spleen greatly enlarged, its capsule easily 
torn, and the substance of the gland quite black and very soft, 
sometimes partly liquid, so that considerable of the splenic mass 
will gravitate to either end of the capsule if suspended by the 
other end. The liver is much enlarged, and changed from a 
brownish to a mahogany color, also somewhat mottled on cut 
surfaces due to being irregularly stained with coloring matter 
from the blood. The gall bladder is distended with a very 
dark, tarry, viscid bile, in which is suspended a quantity of yel¬ 
low flakes, which will deposit upon standing. The urine con¬ 
tained in the bladder has a dark red to port wine color, and the 
kidneys will be found congested. Other visceral organs pre- 
,sent no characteristic lesions. In some carcasses the tissues 
have a yellowish tinge and the fat a bright lemon yellow shade. 
In other carcasses the color of the flesh is normal but the can¬ 
cellous structure of the bones is stained dark like the urine. 
The foregoing presents the principal ante-mortem symptoms 
and post-mortem lesions of an acute disease fully developed. In 
this type of case an inspector would not be in doubt as to whether 
or not an animal is diseased, nor as to what disease it is, neither 
would he hesitate concerning its condemnation. In the same 
bunch of cattle in which this typical case is found, there will 
probably be others in which this malady is just beginning to de¬ 
velop or is partly developed. The structural changes in the 
spleen and liver are not so marked, perhaps scarcely discernible. 
The disintegration of blood corpuscles may not be sufficient to 
stain the urine highly. Or the case may be of a very mild type. 
It will tax the judgment of an inspector to rightly determine 
whether or not the animal is infected ; whether or not the dis¬ 
ease is sufficiently developed to render the flesh unwholesome, 
this disease not being communicable to man. 
Advanced pregnancy or the parturient state though normal 
