312 N. S. FERRY AND H. C. KLIX 



5. The complement fixation test was found to corroborate, 

 in most respects, the agglutinin reactions reported in a previous 

 paper. 



REFERENCES 



Ferry, N. S. and Noble, Arlyle 1918 Studies relative to the apparent close 

 relationship between Bact. pertussis and B. bronchisepticus. I. 

 Cultural, agglutination and absorption reactions. J. Bact., Bait., 

 3, 193. 



