370 DADD’S VETERINARY MEDICINE AND SURGERY. 
No. 58. Spirits of camphor.......... eee ee ee 6 02. 
COdaliver 301 as 6 hae se eee aS ac , 40%. 
Oil: OF COM aR nic iusae scare ease 2 02. 
Diluted acetic acid.......++++++...+. 1 pint. 
Mix. 
Then procure the following : 
Na. 59. Chlorate of potass..... Sis esses Kea 2 OB 
Powdered ginger.........e0006 iiswen AOD 
Gentian: ven. 93 gees sacra We ceeeoe 3 OZ 
Podophyllum.............. weeiaieae 2°OLs 
Poplar barkisccas se sasee ces eee ses 6 oz 
Mix. 
Dose, one ounce night and morning, to be incorporated in the 
food. 
This treatment usually palliates the lameness. Should it not 
do so, the owner must be patient, and give Nature time to restore 
the animal to comparative usefulness. Flour of bone or phosphatc 
of lime may be given, at the rate of a couple of ounces per day. 
Such agents are always indicated in the treatment of the above 
malady. 
SPAVIN. 
Spavin consists of an exostosis of the hock, commonly located 
on the inner side, whereby bones before moveable become cemented 
and fixed together, and which is often productive of ulceration of 
the articular surfaces of one or more of the joints of the hock. 
Sometimes, however, spavin makes its appearance on the anterior 
or front part of the hock, and sometimes there is no enlargement 
to be discovered. Such cases, unaccompanied by enlargement, are 
called inter-articular spavin. 
Symptoms. —‘ The symptoms of spavin,’’ says Mr. PERCIVALL, 
‘are, in general, plain, simple, and unequivocal. The horse mani- 
fests lameness in one of his hind limbs, and, on examination, a 
circumscribed spheroid tumor, of the magnitude of half a walnut 
or more, is evident enough both to the sight and feel of the man 
practiced in such matters. Lameness, however, the effect of 
spavin, may be present without any detectable tumor. 
My own observation has led me to note two kinds of lameness 
in spavin—one, the effect either of the ordinary subacute or chronic 
inflammation, or of partial anchylosis of the parts, is but compar- 
atively slight, and consists, for the most part, in stiffness on motion, 
