322 
THE CHEWGORE IN SHEEP. 
Gentlemen, 
If any of your correspondents can throw any light on the 
following extract from a letter received from Van Diemen's Land, 
he will much oblige a constant reader. T. - 
“ One sheep has died of a disease called the Chewgore. Mr. R. 
“ has seen it before ; and says that in Scotland it usually attacks 
“ the worst sheep in the flock, such as are not worth attending 
“to, and therefore little attention is paid to them. The sheep 
“attacked by it here were the best of the ewes. The most ob- 
“ vious symptom of it is a constant dropping of water from the 
“mouth, which is always frothy. A person not conversant with 
“ the disease would suppose, from its appearance, that the animal 
“ had eaten some poisonous herb; but the length of time that it 
“ exists in a gradually increasing state of disease, which does not 
“terminate its life under three weeks or a month, induces me to 
“ refer it to some other cause." 
The name is perfectly new to us, nor are the symptoms suffici¬ 
ently detailed to enable us to decide on the real character of the 
disease. Perhaps some of our northern correspondents will kindly 
throw some light on the subject.— Edit. 
ESSAYS ON HORSE MEDICINE; 
COMPREHENDING THE THEORY AND PRACTICE BOTH OF THE FRENCH 
AND ENGLISH SCHOOLS. 
By O. P. Q. 
Abscess means a tumour containing purulent matter, or in 
fact any collection of such matter. The term is said to be de¬ 
rived from the Latin (abscedo), signifying to depart; because 
parts which were before contiguous recede, to make room for the 
matter deposited. 
Strangles , quittor, pole-evil, and fistula , are so many various 
examples of abscess; and to the accounts to be given of those 
diseases I must refer my reader for particulars, which, in course, 
will vary according to the nature of the case; it being my 
intention in this place to unlimit my observations to abscess in 
general . 
Abscesses are of two kinds— acute and chronic . Whether it 
be from external injury, or from any internal cause, when inflam¬ 
mation attacks any particular part or place in which there exists 
