Turner — Ecological Notes — Cladocera and Copepoda. 173 



of the smallest individuals measured, the lower right figure that 

 the average of those measured. In many cases the variation is so 

 jty is due to the fact that the averages of some of the forms had 

 cided that it was best to give the two extremes, 

 records of the measurements of that species were lost in moving. 



