# Number of Guinea Pigs
Culture.
Source
of
Culture.
Age of Culture
Duration of
Remarks.
used.
drying over H2SO4.
2. agar-agar human 24 hrs J 2 weeks. 2. Bouillon do 1 week. DR 1. agar-agar Guinea pig 2 weeks 517 n acute 48 hours the died in 3 days of the Midy died in 3½ days of intestinal plague. 36 hours Died in 4 days of acute intestinal plague with a typical mesenteric bubo. Both alive healthy after the mouth, 48 hours died in 3½ days of acute intestinal plague. 1. white rat. 3 weeks 36 hours go in 4 4 days Uthumler.