392 DISEASES OF THE HORSE’S FOOT 
‘It should also be noted that the animal was able to 
undergo a severe course of training for some years, and 
to gallop successfully over some of the most trying courses 
in England. During the whole of this time he walked and 
galloped apparently sound, but trotted always lame, and 
generally dead lame.’* 
2. ‘I herewith send you photographs of three cases 
of the above disease, occurring in the internal surfaces of 
the wings of the os pedis. The photos were kindly done 
for me by Dr. A. Lingard, Imperial Bacteriologist to 
Government of India. It is a cause of many cases of 
obscure foot lameness in India, and frequently accounts for 
Fic. 152.—EFrrects oF PERIOSTITIS ON THE Os PEDIS. 
the numerous entries’ on veterinary medical history sheets 
under the heading ‘‘ Contused Foot.” 
‘The course of the disease is as follows: The disease 
makes its appearance very soon after arrival in India, the 
animal being admitted to hospital suffering with undoubted 
foot lameness, generally slight. One is soon led to suspect 
this disease by negative symptoms of other disease being 
in existence. No coronary enlargement or flinching on 
pressure to the coronet, no shrinkage or wiring in of the 
heels, neither is the} characteristic pointing of navicular 
present. In the early stages one has false hopes of re- 
*W.E Litt, M.R.C.V.S., Veterinary Record, vol. viii., p. 527. 
