LAMENESS, FROM VARIOUS CAUSES. 361 
Mix well, and apply twice daily, by means ofa common varnish- 
brush, 
Very many diseases of the feet, which are of daily occurrence, 
might be prevented by proper attention to the feet. ‘ No foot, no 
horse ;” hence the feet need to be kept as free from filth as other 
parts of the body. I think that a great majority of English 
grooms pay as much, if not more, attention to horses feet than to 
other parts of the body, and thus many forms of foot lameness are 
avoided. 
CURVATURE AND DISEASE OF THE SPIN] (“Sway Bac,” 
“ HoLtow Back ”), 
The annexed engraving, represents a case of curvature of the 
spine in a downward direction, known in stable language as hol- 
low back. It usually, when it makes its appearance, occurs in 
aved horses, and probably arises from putting too much weight 
cn the animal’s back. 
SECTION OF THE SPINE. 
It will be observed that two of the superior spinous processes 
of the vertebree are united (anchylosed), and ossific depusits are 
thrown out on the surfaces of the spine. On the lower part, be- 
neath the diseased spine, a cleft is seen, showing that there is an 
incomplete dislocation, and the capsular ligament was probably 
dislocated or torn. 
It may be interesting to the reader to know, if he does not 
already, that the bones, like other parts of the body, are composed 
of arteries, veins, absorbent vessels, nerves, and a cellular texture. 
They are endowed with vitality, are nourished, grow, waste, and 
are repaired, and undergo various mutations, according to the age 
of the animal; and they are subject to disease analagous to the 
