bar and are in the form of small inter radial pouches 

 growing distally from the convex wall or the water 

 ring. Figs. 31 and 32 pv .There- is no polian vesicle 



present, in this species. in the stone canal interradius. 



since "F" 

 ££ no pereeptable change lias taken place in the 



A 



orgsns not revered to above, the description of 



?iven in the previous chapter will serve e- 

 qually as well for "G" as for "F" , and the figures 

 of these organs in "G" may be examined in connect- 

 ion with their description in "F" . 



