624 INFLAMMATION OF THE SPLEEN IN CATTLE. 
we neglected to collect it ; the stomach was in a state of most 
intense inflammation throughout 
Now it appears remarkable (at least so to me), that it was 
at this part only that any of the poison (if so it may be called) 
could be detected; not a particle being found mixed with the 
aliment in the other stomachs. Am l right in conjecturing 
that the symptoms were caused by the copper ore, or were 
they the effects of disease of another type ! This beast, with 
others, was kept on a common contiguous to where copper 
mines have lately been wrought, and cattle have free access to 
the place. I have known cattle die from the effects of lead 
ore in the same neighbourhood ; but I believe this to be the 
first case where copper ore has been detected on dissection. 
THE GENTIAN PURGE. 
To the Editor of u The Veterinarian.” 
Sir, — I HAVE tried the ‘‘purging ball” recommended in your 
last number by Mr. Hurford, and find it, besides being quicker 
in its operation, not to continue the purgation so long ; neither 
does it take the animal off his feed, nor produce that debility 
which the common carthartic ball generally does. 
I am, Sir, 
Your’s respectfully, 
John Brown, Y.S. 
23, Whitefriar Street, 
Oct. 12, 1851. 
INFLAMMATION OF THE SPLEEN IN CATTLE. 
Sir, — I n reply to Mr. Laycock’s queries respecting inflamma- 
tion of the spleen in cattle, I beg to refer him to an account of 
some cases of disease of that organ recorded by me in The 
VETERINARIAN for 1844, being then practising in Gloucester- 
shire. They are also more fully recorded in the Veterinary 
Record and Transactions for 1845, p. 129. 
I am, Sir, 
Your’s obediently, 
Jas. Howell, V.S. 
Rochdale, Oct. 14, 1851. 
P.S. — I have been making trial of the “ purging ball” re- 
commended by Mr. Hurford, the results of which I will forward 
for early insertion. 
To W. Percivall, Esq. 
