20.
B. Experiments on
White Rató
508
almost all the rats used for the Experiments were bred in the Bacteriological Institute, and had been under observation for a time.
long
the experiments, mave u for these animals, werf, fa
a Nature Exactly similar to those already described under "observations on Guinea Pigs". they were not, however, of such as comprehensive
ушень Nature, owing to the limited supply of
the Colony
rats in the
white
at the commencement of
my experiments. Later on
there rodents were cancer on
with Hire on guinea pigs.
80 rats were used.
my
Experiments with Simultaneously
I all about
With these preliminary remarks, it appears tome the Guile munecessary to give the fall details of the experiments came out. The following protocol would appear Sufficient Series No I.
Feeding with fresh plague-infected
human