AS TO SOUNDNESS. 131 
LECTURE XVI. 
Spavin (continued) —Bog-spavin—How the term Blood-spavin arose 
' —Thoropin—Curb—“‘ Sprung Hock ”—‘‘ Occult Spavin.” 
GENTLEMEN,—I cannot leave the subject of spavin 
without adding a few more words. You will often be 
called upon to pronounce an opinion as to the presence 
or absence of spavin, in which case it does not follow 
that the enlargement should be of a trifling character, 
and that a doubt should exist as to the presence of any 
enlargement ; for strange as it may appear, the less the 
spavin the more certain can you be that it is a spavin 
and not merely a hypertrophy. In cases where the 
enlargement is of some considerable size, and in which 
the enlargement is well rounded and extends as far 
forward as a typical spavin, but also extends well back, 
or in other words seems to involve both cuneiform 
bones, should there be an absence of lameness or stiff 
ness, it is impossible for any one to say “‘this is a case 
of spavin; it is not a case of hypertrophy of the bones 
involved in spavin.”” It would be to the last degree 
unscientific to pronounce such a case spavin, although 
