PLATF. 20. 



-■^ *JL //** '^ ^^ V^V • ) - - -^ • ■ 



J:<iclUns hipjw^'i^. Film prppai-Litinii frcini agar, If. 

 luiurs at 37" C. Staiued with caibul fm-lisiii. 

 :•: 1000. 



W * 



1 . •- 



Ducillus iyphosiis, sllo^ving flagella. x 1000. 



& 



\\'[i>\\.-CiKvvKK Rkac;tion'. Agglutination uf 7.'. 

 fiijih'isn^ by blood .serum of :i typliuiil 

 liiiLi.-nt. X 400. 



..A 





u <-*^" 



IliirUlHS lijplirmis. From liuiiiaii im-spiitpric gland. Stained ivitli 

 m'4.h\I('nc Mne. ■ 7"i0. 



[ 7'o /((cr jwf/f 302. 



