COMPARATIVE PATHOLOGY. 
413 
inspection of all animals presented for purchase to the Govern¬ 
ment ; the inspection of all animals recommended for condemna¬ 
tion, sale or destruction (unless inspected by a Junior or Senior); 
the revision, with recommendation, of all requisitions for medi¬ 
cine, instruments and dressings, and the investigation and treat¬ 
ment of any diseases which may occur in the department or 
division requiring their attention. 
Seniors should be assigned to duty in regiments of cavalry. 
Juniors should do duty at whichever posts are most in need of 
their services. 
Although the department would consist of but 31 members? 
their work could be made very effective. On the part of the pro¬ 
fession, I believe our claims are moderately stated, while 1 am 
confident from my short army experience the Government would 
be highly benefitted. 
My intercourse with the officers of the army has, in nearly all 
instances, been very pleasant indeed, and the presence of highly 
educated Yeterinary Surgeons as officers of the army, I believe, 
would be welcomed by them as a valuable acquisition to the serv¬ 
ice. 
In conclusion, let me beseech you to exercise, in behalf of 
myself and colleagues, the influence of your Association, in that 
we may accomplish an improvement in our condition, and effect 
that recognition of our rights which we believe is due to us. 
Fort Leavenworth, Kan., Sept. 5th, 1881. 
COMPARATIVE PATHOLOGY. 
UPON THE PARASITISM OF TUBERCULOSIS. 
By M. Toussaint. 
The following note is extracted from the Comptes Rendus de 
V Academie des Sciences : 
“ After having obtained, in a purified glass bottle, the blood 
of a tuberculous cow, I placed the serum found after coagulation 
into Pasteur’s tubes, containing bouillons of cat, pork, and rabbit 
meat. Pure serum was also placed in a separate tube and placed 
