CONTENTS 



Page 



Introduction 1 



Electric field in a conducting nnedium 1 



The fish in a uniform electric field 1 



Preliminary experiments with aholehole 2 



Apparatus 3 



Procedure and results 4 



Discussion 7 



Experiments with tuna and other large fish 8 



Apparatus 8 



Procedure and results 11 



Discussion 12 



Summary 14 



Literature cited 14 



Appendix I - The electric field in a conducting medium 16 



The potential 17 



The electric field 19 



The current density 19 



Resistance ZO 



Discussion 20 



Appendix II - A fish in a uniform electric field 21 



Head-to-tail potential 22 



Current density 23 



