DISEASES OF THE HEART IN PIGS. 
595 
Extract from Note-book . — “ In thickening of the pericardium 
we have a rale , resembling the cutting of India rubber with a dry 
knife. This was particularly so in a foal belonging to Mr. Shaw, 
of Knew-Hall, in this county, which had endocarditis as well as 
pericarditis. This sound leaves when there is much effusion. 
The foal lay down until within a few hours of it death, although 
hydrothorax supervened. The pericardiac sac was considerably 
thickened.” 
DISEASED TRICUSPID VALVES IN THE LEFT 
VENTRICLES OF THE HEARTS OF PIGS. 
By Mr. W. A. Cartwright, Whitchurch. 
In the last July number of The Veterinarian I reported a 
case of diseased valves of the heart of a pig. Since that time I 
have met w r ith the two following cases of exactly similar nature. 
This leads me to believe that it is not a rare occurrence in 
animals of this species that die suddenly ; and it surprises me 
very much that the action of the heart is carried on with such 
extensive obstruction and disease. 
Case I. — On the morning of the 20th July, 1841, John 
Hickson, of this town, found one of his pigs, about four months 
old, dead. He had purchased it three weeks before, and it was 
in excellent condition, and gaining fat rapidly, and, on the night 
previous, he ate his supper as well as usual. 
Post-mortem Examination- the Heart . — The auricle on the 
left side was sound. Growing from the edge of the auriculo-ven- 
tricular valves of the same side were several uneven warty excres- 
cences, two of which were as large as marbles. The largest was 
attached to a portion of membrane that hangs from the side of 
the aorta, and lies between two valves, and which cannot, in 
strictness, be called a portion of valve, though some of the cordm 
tendineae are attached to its sides. In this case, however, I fancy 
the tumour attached to it made it more pendulous than the part 
otherwise naturally would be. Adjoining the large tumour, and 
situated on the upper part of the septum ventriculorum, there 
were several small papillary growths of a similar nature. The 
ventricular opening was three parts closed with these morbid 
growths. 
Case II. — On the morning of the 4th August, 1841, a pig, 
about a year old, the property of Mr. Butler, in this town, was 
taken unwell, and would not feed, but there were no particular 
prominent symptoms to indicate the complaint. In a few hours 
