CEYLON PEARI. OYSTER REJ 



PLATE 3. 



41 





::,, 







43 



1 









43 









46 





51 



52^ 





53. 



.. 



54. 



56. 





ph 



\ 





55. 





J-H.iA.E.S.del. 



ex. p. 







PARASITES OF - A.RL OYSTER. 



