THE 
VETERINARIAN. 
VOL. XXXIII. 
No. 394. 
OCTOBER, 1860. 
Fourth Series. 
No. 70. 
Communications and Cases, 
A PECULIAR AND UNUSUAL DISEASE OF THE 
OSSEOUS TISSUE IN THE HORSE; RESEM¬ 
BLING IN MANY OF ITS CHARACTERISTICS 
MOLLITIES OSSIUM, RHACHITIS, OSTEO¬ 
POROSIS, AND FATTY DEGENERATION OF 
BONE. 
By G. Varnell, M.R.C.V.S., 
Assistant-Professor, Royal Veterinary College, London. 
(i Continued from p. 501.) 
In the concluding part of my account of the singular dis¬ 
ease of the osseous tissue, published in your last number, I 
gave a general description of the lesions which were observed 
post mortem in these interesting cases, and having done this, I 
now proceed with my narrative. The Christmas examination 
of the pupils, which was being held at the time of the occur¬ 
rence of the cases, afforded me the opportunity of mention¬ 
ing them to Dr. Sharpey, who was so much interested in the 
matter that he expressed a wish to make a microscopical 
examination of a portion of the bone, with a view to elucidate 
the pathology of the affection. 
Accordingly I sent to University College portions of the 
lower jaw, and also of one of the ribs. The specimens were 
accompanied by a letter, informing Dr. Sharpey that alt the 
bones of the two horses were still in our possession, and 
that we thought it might interest him to see them in their then 
present state. The day succeeding this, Dr. G. Harley came 
to the College, and stated that Dr. Sharpey had mentioned 
xxxm. 60 
