A. C. Coles 
9 
DESCRIPTION OF PLATE !. 
GROUP A. 
Figs. l^L Spirochaetn Icterohaemorrhagiae from blood of guinea-pig inoculated with blood from 
a case of Weil s Disease. 
Figs. 5-12. Spirochaetes from the emulsion of kidneys of naturally infected rats. 
Stained Giemsa. x 2000 diameters precisely. 
GROUP B. 
Figs. 1-3. Spirochaetes from blood of guinea-pig. 
Figs. 4-6. Spirochaetes from the kidney of rats. 
Stained Giemsa. x 3000 diameters precisely. 
GROUP C. 
Figs. 2 and 3. Spirochaetes from blood of guinea-pig. 
Figs. 5-8. Spirochaetes from the kidney of rats. 
Photographed at x 2000: enlarged twice = x 4000 diameters. 
