266 H/‘ZAMORRHAGIC SEPTICAiMIA. , 
also the pleure, pericardium, and surfaces of various inter- 
nal organs, particularly the lungs and auricles of the heart. 
Evidently we had here an undouted meningitis; not the 
specific form of the disease but one probably due to another 
germ. The lesions seen on post mortem are very suggestive 
of a hemorrhagic septiccemia infection. 
Diagnosis.—The veterinarians present, Drs. Lyford, 
Brimhall, Annand and Reynolds, agreed that .the clinical 
symptoms and results of examinations post-mortem war- 
ranted a diagnosis of cerebro-spinal meningitis; but the he- 
morrhagic conditions made it evident that we did not have 
the recognized specific type of the disease to deal with. 
Source of Infection.—Owing to the fact that this partic- 
ular outbreak occurred in a small portion of our herd and 
did not spread to other cattle on the farm, we were at first 
inclined to suspect the water in one of our pastures. The 
affected lot of cattle (our milking dairy cows) had been re- 
cently turned into this pasture and acertain small pond had _ 
been contaminated by sewage overflow from our filter bed, 
as already noted. But the fact that a few days later a viru- 
lent case of the same disease appeared in a heifer which had 
not, so far as known, had access to this water but had been 
kept in an adjoining pasture seemed to weaken this theory. 
In addition to this, the further fact that an experimental 
cow which was given this water only, for a period of about 
two weeks, gave her normal flow of milk and remained in 
perfect health, seems to disprove the sewage water theory 
as a source of infection. A careful survey of the history and 
surrounding conditions leaves us still in the dark except as. 
to the following incident: A sheep died about a year before 
of typical haemorrhagic septicemia. It is possible that the 
infection came remotely from this sheep and that the menin- 
gitis was due to germ infection, the germ of haemorrhagic 
septiceemia being the exciting cause. It should be shown in 
further explanation that the sheepin question was buried in 
a field remote, considerably more than a quarter of a mile 
from the pastures wherein the disease among cattle appeared, 
although drainage is from this field toward the pastures in 
question. Other cattle have been kept during the interval in 
these pastures without harm. We do not know where the 
