REACTIONS OF INFUSORIA TO ELECTRIC CURRENT 169 



LITERATURE IX 

 REACTIONS OF INFUSORIA TO ELECTRICITY 



A. Reactions to induction shocks : ROESLE, 1902 ; STATKEWITSCH, 1903; BIRU- 

 KOFF, 1899. 



B. Reactions to the constant current: STATKEWITSCH, 1903 a, 1904; WALLEN- 

 GREN, 1902, 1903; PEARL, 1900; VERWORN, 1889 a, 1889 b, 1896; LOEB AND BUD- 

 GETT, 1897 ; DALE, 1901 ; CARLGREN, 1899, 1905 ; BANCROFT, 1905 ; COEHN AND 

 BARRATT, 1905. 



