LIST OF RECENT LITERATURE. 293 



60. LIEBIG. Inaug. Dis. Heidelberg, 1890. (Electricity.) 



61. TREADWELL. Science, XVII., 178, 1894. (Thunder storms.) 



Enzyme Bacteria. 



62. CONN. Cent. f. Bact. u. Par., XII., 223, 1892. 



63. FERMI. Cent. f. Bact. u. Par., X., 401, 1891 ; XII., 713, 1892. 



64. STERLING. Cent. f. Bact. u. Par., II., I., 473, 1895. 



65. KALISCHER. Arch. f. Hyg., XXXVIL, 30, 1900. 



66. KEDROSKI. Zeit. f. Hyg., XVI., 445, 1894. (Butyric acid.) 



67. SCHATTENFROH AND GRASSBERGER. Arch. f. Hyg., XXXVIL, 54, 



1900; XLIL, 219, 1902. (Butyric acid.) 



SLIMY MILK. 



68. ADAMETZ. Landw. Jahr., 185, 1891. 



69. CONN. Cent. f. Bact. u. Par., IX., 653, 1891. 



70. GUILLEBEAU. Ann. d. Mic., IV., 225, 1891. 



71. GUILLEBEAU. Land. Jahr. d. Sch., 1891. 



72. KRAMER. Monats. f. Chem., X., 467, 1889. 



73. MARSHALL. Bui. 147 Mich. Agr. Exp. Sta., 1897. 



74. PETERSON. Milchztg., 438, 1897. 



75. RATZ. Arch. f. Wis. u. prac. Thierh., XVL, 100, 1890. 



76. TROILI- PETERSON. Zeit. f. Hyg., XXXIL, 373, 1899; Zeit. f. Fl. 



u. Milch Hyg., XII., 279, 1902. 



77. WARD. Bui. 165 Cornell Agr. Exp. Sta., 1899. 



BITTER MILK. 



78. BLEISCH. Zeit. .f. Hyg., XIL, 81, 1893. 



79. CONN. Cent. f. Bact. u. Par., IX., 653, 1891. 



80. DAMMAN. Koch. Jarh., 154, 1897. 



81. HEUPPE. Ber. klin. Woch., XXVIIL, 717, 1891. 



MISCELLANEOUS. 



82. WEIGMANN. Milchztg., 569, 1893. (Soapy milk.) 



83. BEHR. Cent. f. Bact. u. Par., VIII., 485, 1890. (Blue milk.) 



84. FUCHS. Mag. f. d. ges. Thierh., 1841. (Blue milk.) 



85. GESSARD. Ann. d. I'lnst. Past, V., 737, 1891. (Blue milk.) 



86. REIZET. Comp. Rend., 96, pp. 682 and 745, 1883. (Blue milk.) 



87. ZANGMEISTER. Cent. f. Bact. u. Par., I., XVIIL, 321, 1895. 



(Blue milk.) . 



88. BAGINSKY. Cent. f. Bact. u. Par., V., 448, 1889. (Red milk.) 



