PLEUROPNEUMONIA AMONG CATTLE IN AUSTRALIA. 97 
To the Editor of the Argus. 
“ Memoranda of Notes taken at Post-mortem, Examination of 
four head of Cattle, said to be affected with Pleuro-pneu- 
monia, on Mr. Boadle’s farm, Darebin Creek, Plenty- 
road, September, 15, 1859. 
“ Case 1.—The animal destroyed the previous evening for 
Mr. Skilling’s inspection. A cow, some three or four 
months gone with calf, which had been pasturing with the 
rest of the dairy cattle, had been ill some ten days, and was 
then supposed to be near her death. Appearances.—The 
left lung was hepatized throughout one-third its inferior 
portion, and the coats of the vessels, both arterial and 
venous, ramifying throughout its structure, were distinctly 
separated from each other by effusion ; the other portion of 
the same lung, as well as that on the right side of the chest, 
was congested, with red serous effusion in its parenchyma¬ 
tous structure. The pleurae costalis and pulmonalis through¬ 
out the left side of the thoracic cavity had considerable-sized 
patches of adherent lymph. The pleura on the right or 
opposite side was but slightly covered with lymph. The 
pleura itself on the left side was congested, coloured appa¬ 
rently from the red particles of the blood being effused, and 
was easily torn from its attachments. That on the right 
side did not present so marked appearances. The mucous 
membrane of the air passages, commencing at the epiglottis, 
extending throughout the trachea, was congested, and of a uni¬ 
form brown colour; in its continuation into the bronchi it 
became lighter, but equally congested. The bronchial pas¬ 
sages were more or less filled with frothy mucus of a very 
tenacious character, which, approaching their individual ter¬ 
mini, became mechanica.ly obstructed from adjacent effusion 
of red serum, coagulated blood, &c.—the constituencies of 
a hepatized lung. The heart and its appendages. The 
former was small, soft, flabby, and wanting in that red hue ob¬ 
served in the healthy organ. Its serous covering, extending 
internally on the pericardium, had a slight blush of inflam¬ 
mation, and that part of it on the light ventricle had a large 
patch of rough adhesive lymph., while that externally, more 
particularly surrounding the two auricles and aorta, was 
covered with thick layers of straw-coloured lymph. The 
thoracic side of the diaphragm bore extensive marks of simi¬ 
lar lymphatic effusion. The digestive organs generally were 
in a normal condition, except the liver and spleen, the latter 
of which was of a dark tarry consistency. In this case, not- 
xxxiii. 13 
