PLATE 9 



Paropsonema cryptophya Clarke 

 Fig. 



1 A young specimen in which the detail is not very clear, but 



indicates no evidence of the second cycle of bands. 



2 The adambulacral side of another young specimen. 



3 The ambulacral side of an infolded and distorted example 



with the structure of the ambulacral and interambulacral 

 areas quite clearly shown. 



