VARIATION OF SALMONELLA PULLORUM 



47 



i ° " B B 6 B B BEBBBB BBBBBBBP 



s-a^eesse s e e & s e e s s e e s e t 



> ^22222 ZZZ22222222222 



•OiOiOicOiOiOiOiOiOiOiOiOio 



8 8 B 81 ISs ISlssS SsllllglHIglg 



-— J— nj— • dji^^d?"^ ^ ^ N ^ °" n n 



> >^S H Ix! W (-1 w ^~^~ I T 



