34G 
Pleuro- Pneumonia amongst Cattle. 
appearance in the aspect of the animal ; the surface of the skin 
becomes cold and moist ; coldness of horns, ears, and extremities ; 
head still projected, with nose thrust into a corner, if in a hovel 
or stall ; extreme restlessness; while she stands, which she fre- 
quently does, her fore-legs are placed wide apart, while her hind- 
legs are crossed one over the other ; she is heedless of the 
approach of any one ; respiration is rapid and intensely laborious ; 
foetid breath ; there is a dirty- coloured viscid fluid occasionally 
mixed with purulent looking matter, discharged from the mouth ; 
no secretion of milk ; pulse rapid and weak, sometimes inter- 
mittent ; extreme emaciation and prostration of strength, with 
inability to cough or swallow. In the majority of cases no sound 
whatever is heard on the diseased side, except a loud gurgling, 
which is audible at some distance ; general dulness on percussion. 
This condition m.ay continue for a few days, when she becomes 
reduced to a mere skeleton ; at last her groans grow louder and 
more frequent; she makes ineffectual efforts to breathe from 
apparent suffocation ; total insensibility sets in, which is quickly 
followed by death. 
Morbid Anatomy. 
As we consider that the pathological history of this disease 
would be imperfect if it were not accompanied by a description 
of those appearances which the lungs of animals affected with it 
present after death, we shall next bring forward what has fallen 
under our observation in that respect ; but in so doing, we feel it 
right, as a matter of justice to others, to state, that we are indebted 
to Mr. J. L. Bailey, Surgeon of Cambridge, not only for the 
assistance he has lent us in preparing this report — and especially 
for the drawings which accompany it — but also for having enabled 
us to interest Dr. Fisher, Downing Professor of Medicine of the 
same place, in this particular branch of our pursuit, who for many 
years has devoted much attention to the anatomical condition of 
diseased lungs in the human subject. Indeed we owe partly to 
the latter the description of the particular cases we are about to 
give, and almost entirely to him the general conclusions drawn 
from the conditions they offer. 
The first description of morbid appearances that we shall give 
was taken from one of the animals referred to in Case 33. The 
disease had reached about its middle stage, and seeing no proba- 
bility of saving the animal, we recommended it to be slaughtered. 
On examining the body we found the abdominal viscera quite 
healthy and the .pericardium and heart in the same state. The 
left side of the chest was also healthy. 
The costal pleura of the right side was coated throughout its 
whole extent with thick tough layers of coagulated lymph, placed 
