!
..
red: age of 4
}
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partially
A
massed together. The lobes of the liver were covered with
#1
T
Rodules which caused them to adhere together. The semiral vesicles and epididymes were covered with similar modules.
The testicle was normal.Sections of the kidney showed that
the proper substance was largely replaced by well formed cells of another type. The thickered mesentery showed the same
cells.
2
2. An old male decumanus rat showed a nodular growth about
the size of a hen's exz springing apparently from * lote of the liver, it had the naked eye appearance of a cancer Microscopically it was composed of cells forming the walls
of spaces I considered it to be probably a mixed celled sarcoma.
Rats are sometimes found with great thickening and matting
together of the tissues of the foot. T ha disease is not common
but when seer often affects two or three feet. It appears to
ulcerate through the skin in later stages.
ion
I need not now continue the account of investigati
into diseases of rats, the work is inprogress,many of the
inoculated animals are still alive and the parafin blocks
uncut.