MICHICAN A( AORMV OF SCIENCE. 133 



KIULIOOHAIMIV. 



'Vaughan: Ztschr. tiir Pliys. Chem., X., 188(5, p. 146. 

 -Wallace: Medical News, LI., 1887, p. 69. 



'Wesener and Rossman : Phila. Med. Jour.. I.. 1898, p. 1119. 

 'Newman: Switliinbank and Newman: "Bacteriolotjy of Milk." 

 London. 1903, p. 208. 



■Lepierre: Compt. Rend.. 118. i76, 618. 1891.. 



''Dokkum: Milchzeitungv 1895, p. 73. 



'Vaughan and Perkins: Archiv fur Hygiene, XXVII, 1896, p. 308. 



«Holst: Centrbl. fiir Bakteriologie, XX, 1896, p. 160. 



"Fonteyne: La Presse Medicale, XVII, 1909, p. 673. 



'"Klihl: Ztschr. Unter. Nahr. and Genuss., XXV, 1913, p. 193. 



Hygienic Laboratory, L'niversity of Michigan. 



