426 
ftOBE&T WOOD. 
sheep, goats, swine, rabbits and fowls. Although at present the 
greater number of professionals and educated cattle owners place 
confidence in the prophylactic power of inoculation by pleuro¬ 
pneumonia, yet it is not right to say that the same is as yet 
accepted universally; to this end it is necessary that all interested 
persons and professionals work exactty and methodically in this 
very profitable path, and one of so much national economical 
interest. 
DISEASES EXISTING IN HORSES WITHOUT MANI¬ 
FEST SYMPTOMS. 
By Robt. Wood, V.S., Lowell, Mass. 
Autopsies, made after sudden death, or after illness of short 
duration, often reveal latent disease in every tissue of the body, 
many times in the most vital organs, the character and magnitude 
of which often astonish the practitioner, that such morbid changes 
in the various organs could possibly exist, and the animal perform 
daily labor without the first manifest symptom of its existence to 
those around him and using him daily; and yet such is the fact, 
well known to those who have had years of practice and who 
make autopsies. I do not offer this to those practitioners just 
mentioned, but for the benefit of our younger Yets., who have 
not had the opportunity of seeing such cases, at least not many, 
with the hope of appreciation. As an illustration I will relate a 
few cases in my own practice: 
Case 1.—Bay horse, eight years old, was taken with influenza, 
with several others in the same stable, showing the same symp¬ 
toms, and receiving about the same treatment. I being confined 
to the house at this time by sickness, my son attended him. On the 
fourth day he informed me that three of the cases were convales¬ 
cent, but the fourth one did not improve, appeared quite weak, 
and refused to eat. The owner sent a hack for me, and requested 
