69 



Fig. 103. Diploneis interrupts , (5), cells 30-80u long, 7-15u wide. 

 X 1000. 



valve viev 



Notes 



Fig. 104. Diploneis Smithii , (5), cells &-20\i long, 5-10u wide. 

 X 1000. Abundant in the southwest. 



valve view 



Notes : 



Notes on other species of DIPLONEIS . 



