(14a) 



Table I . 

 Characters of the aiverse lines, 



Character 



No, of indiviaualij . 



Av. length, 



Av , breadth. 



Av. size index, 



Av, forin ratio, 



Av, mouth size index, 



Av, mouth form ratio. 



Av , spine member. 



Av, number of days between 



tv/o fissions. 11,53 6,12 11,31 9.40 



