EXlPERIMBNiT STiATiION BULLETIN 497 



REFERENCES 



1. Penningiton and Walter, Bacteriological Study of Ooauiiiei'cial Ice 

 Cream. N. Y. Med. Jr. Vol. LXXXVI, p. 1013. 



2. Hanmier (1912) Ba'cteiria and Ice Cream. Bui. 134 Iowa Ag'r. 

 Exp. Station. 



3. Hammer and Goss, (1917) Bacteria in Ice Cream II. Bui. 174, 

 Iowa Agr. Exp. Station. 



4. Hammer and Sanders (1919) A Baicteriological Study of the 

 Method of Pasteurizing and Homogenizing the Ice Cream Mix. Bui. 186, 

 Iowa Agr. Exp. Station. 



5. Stiles and Peunington (1909) Bacterioilogical Investigations of 

 Ice Cream in the District of Colum-bia. Bui. 50, pp. 263-269. U. S. 

 Hj^gienic Lab., Public Health and Marine Hospital Service. 



6. Gordon (1914) Eeport on Ice Cream Examinations Outlined in 

 Washington Hearing of Ice Cream Manufacturers. The National Asiso- 

 ciation of Ice Cream Manufacturers. 



7. Eisten ami Mason (1915). The Bacteria in Ice Cream. Bui. 83, 

 Conn. (Storrs) Agr. Exp. Station. 



8. Ellenberger (1919). A Study of Bacteria in Ice Cream During 

 Storage. Memoir 18. Cornel! Agr. Exp. Station. 



9. Aj'^^ers and Johnson (1917). The Determination of Bacteria in 

 Ice Cream. Bui. 563 U. S. Dcpt. of Agr. 



10. A. l\ H. A. (1921). Standiard Methods for the Bacteriological 

 Examiniation of Milk. Third Edition. 



11. Marehall (1921). Microbiology. Third Edition, p. 458. 



12. Reed and Reynolds (1916). Some Effects of Temperature Upon 

 the Growth and Activity of Baicteria' in Milk. 



13. Roadhouse (1917). Factors of Importance in Prodiicing Milk 

 of Low Bacterial Count. Cir. 179, University of California Agr. Exp. 

 Station. 



14. Mortensen (1918). Factors Which Influence the Yield and Con- 

 sistency of Ice Cream. Bui. 180, Iowa Agr. Exp. Station. 



*15. Peterson and Tracy (1922). The Condensation Process of Pre- 

 paring lan Ice Cream Mix. Jr. of Daily Science, Vol. 5, pp. 273-281. 



♦Note: The above paper appeared while this bulletin was being written. 

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