New York Agricultural Experiment Station. 



109 



The preparation of the media and the determination of the re- 

 actions were in accord with the official methods of the American 

 Public Health Association 15 except that the reduction of nitrate to 

 nitrite was determined by the iodine-starch reaction according 

 to the suggestion of Smith for the reasons given in Technical 

 Bulletin 13. 16 



OBSERVED FORMS. 



In accordance with the above svstems of classification the ob- 

 served udder flora may be summarized as follows : 



Table IX. — List of Udder Bacteria. 



Name. 

 Bacterium lactis brevis 

 Bacterium lactis flocculus 

 Bacterium lactis brevis 

 Bacterium lactis citronis 

 Bacterium lactis non-acidi 

 Bacterium lactis non-acidi 

 Bacterium lactis non-acidi 

 Bacterium lactis auream II? 

 Bacterium lactis non-acidi 

 Bacterium lactis non-acidi 

 Bacterium lactis aureum II? 

 Bacterium lactis Connii? 

 Bacterium lactis Connii? 

 Bacterium lactis acidi 

 Micrococcus lactis v>arians 

 Micrococcus lactis varians A.? 

 Micrococcus lactis varians? 

 Micrococcus lactis varians 

 Micrococcus lactis albidus 

 Micrococcus lactis albidus 

 Micrococcus lactis varians? 

 Micrococcus lactis rarians? 

 Micrococcus lactis rugosus 

 Micrococcus lactis varians? 

 Micrococcus lactis rubidus? 

 Micrococcus lactis rugosus 

 Micrococcus lactis rugosus? 

 Micrococcus lactis albidus 

 Micrococcus lactis albidus 

 Micrococcus lactis varians? 

 Micrococcus lactis albidus 

 Micrococcus lactis albidus? 



ation. 



Report of the committee on standard 

 Amer. Jour. Pub. Hyg. 20:315- 



15 Amer. Public Health Assoc 

 methods for the bacterial analysis of milk 

 345. 1910. 



16 Harding, H. A. The constancy of certain physiological characters in 

 the classification of bacteria. N. Y. (State) Agr. Exp. Sta. Technical Bui. 13. 

 1910. Also in Ann. Rpt. of same Station 29 ( 1910) :55-93. 1911. 



