CONTENTS. 

 Jt 



Page. 



Essential jjrinciples of the treatment - 874 



Susceptibility of fishes 874 



Method of administering the treatment 876 



Details of continuous treatment - -- -- 878 



1 . Determination of proportion of copper sulphate 879 



2. Measurement of the water tlow __ ---. 880 



3. Determination of volume, strength, and rate of inflowing solution 881 



Single-dose treatment 883 



Miscellaneous directions and cautions - 884 



Illustrative and suggested applications of the treatment — - 887 



Further possibilities of the treatment - - 8819 



Table of metric equivalents 890 



87^ 



