94 



ALAX ARTHUR BOYDEX. 



seems to be essential uiim.-ment in the reactions of these sera. 

 This is true even though the antisera were produced in such 

 different animals as rabbits and fowls. 



TABLE IX. 



REACTIONS OF ANTIBEEF SERA. 



floo 



200 



6i SO it, 



'fcei 



CO 



a: 



joo'/. fo 



'omparison of two different anti-beef sera from rabbits. 



