CEYLON PEARL OYSTER REPORT 



PARASITES PLATE 



Abridge 



Figs.] and 2 Stactrobothrium aetj:obatidis Figs 3-8. Ti cragonocephalum frygonis 

 Figs. 9 and LO, Tetragonocephalum aetiohatiih - Fig.11, Distomum palleni 



Figs 1- and 13, Cheiraganthus spinosissimus 



