Hauck, Forrest R. 



19U9. Some harmful effects of the electric shocker on large 

 rainbow trout. 

 Trans. Amer. Fish. Soc, Vol. 77 (19U7), pp. 61-6U- 



Hermann, L. 



1885. Eine Wirkung galvanischer Strome auf Organisrtien. 

 Pflugers Arch. f. d. ges. Physiol., Bd. 37, Ss. U57-U60. 



1886. Weitere Untersuchungen uber das Verhalten der Froschlarven 

 im galvanischen Strome. 



Pflugers Arch. f. d. ges. Physiol., Bd. 39, Ss. U1U-U19 . 



Hermann, L., and Fr, Matthias 



189U. Der Galvanotropismus der Larven von Rana temporaria und 

 der Fische. 

 Pflugers Arch. f. d. ges. Physiol., Bd. 57, Ss. 391-U05. 



Higgins, Elmer 



1930. Progress in biological inquiries, 1928. 



App. 10 to Rept. of (U. S.) Commissioner of Fisheries for 

 the Fiscal Year 1929, p. 65'0. 



1931a. Progress in biological inquiries, 1929. 



App. 15 to Rept. of (U. S.) Commissioner of Fisheries for 

 the Fiscal Year 1930, pp. 1097-1101. 



1931b. Progress in biological inquiries, 1930. 



App. 3 to Rept. of (U. S.) Commissioner of Fisheries for 

 the Fiscal Year 1931, pp. 595-601. 



1932. Progress in biological inquiries, 1931. 



App. 3 to Rept. of (U. S.) Commissioner of Fisheries for 

 the Fiscal Year 1932, pp. U8U-U89. 



1933. Progress in biological inquiries, 1932. 



App. 2 to Rept. of (U. S.) Commissioner of Fisheries for 

 the Fiscal Year 1933, pp. 111-113. 



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