REFERENCES. 155 



groups of organisms are present in milk is of importance. If 

 is doubtful, however, if the necessity for this information would 

 warrant the use of the method in the ordinary control work 

 in connection with municipal milk supplies. Qualitative 

 examinations are of decided advantage in the examination of 

 pustL'iiri/.ed milk. 



REFERENCES. 



NOTK. The reference numbers in parentheses occurring in the A. P. 

 H. A. report on pages 141 to 149 refer to the bibliography accompanying 

 that report on page 150. 



1. ANDERSON. The frequency of tubercle bacilli in the market milk 

 of Washington, 1). C. Bui. No. 41, Hyg. Lab., U. S. Pub. Health and 

 Mar. Hasp. Serv., Washington, D. C., 1908, p. 163. 



2. CONN and ESTKN. Qualitative analysis of bacteria in market milk. 

 Fifteenth Ann. Kept. Storrs Agr. Exp. Sta., Storrs, Conn., 1903, p. 63. 



3. Preliminary Statement by the Committee on Standard Methods of 

 Bacterial Milk Analysis to the Laboratory Section of the American Pub- 

 lic Health Association. Amer. Jour. Pub. Hyg., Vol. XVII, 1907, No. 

 4, N. S. Vol. Ill, No. 5, p. 331. 



4. Manuscript report of the same committee for 1908. 



