292 CEYLON PEARL OYSTER REPORT. 



FAMILY: CARDIID^. 

 Cardium pulchrum, BE EVE. Deep water off Galle. 



Cardium sueziense, ISSEL. Off Negombo ; Gulf of Manaar ; Galle. 

 Cardium (Trachycardium) flavum, LINN. GalJe ; Trincomalee ; off Negombo. 

 Cardium (Trachycardium) lacunosum, REEVE. Trincomalee ; off Galle. 

 Cardium (Trachycardium) maculosum, WOOD. Aripu ; Trincomalee. 

 Cardium (Trachycardium) oxygonum, SOWERBY. Trincomalee. 

 Cardium (Trachycardium) unicolor, SOWERBY. Trincomalee. 

 Cardium (Acanthocardia) asiaticum, CHEMNITZ. Trincomalee. 

 Cardium (Cerastoderma) latum, BORN. Trincomalee. 



Papyridea papyracea, CHEMNITZ. Gulf of Manaar ; S. of Adam's Bridge ; Chilaw 

 Paar ; Galle. 



Laevicardium attenuatum, SOWERBY. Trincomalee. 



Laevicardium lyratum, SOWERBY. Gulf of Manaar. 



Cardium (Serripes) muticum, REEVE. Trincomalee. 



Cardissa hemicardium, LINN. Trincomalee. 



Cardissa (Lunulicardia) subretusa (LINN). Gulf of Manaar ; Galle. 



FAMILY: CHAMID^E. 

 Chama foliacea, QUOY. Trincomalee. 



Chama macrophyUa, CHEMNITZ. -Galle ; . of Cheval Paar ; Gulf of Maiiaar. 

 



FAMILY: CYPRINID^E. 



Isocardia lamarcki, REEVE. Galle. 



FAMILY: VENERID^E. 



Meretrix castanea, LAMA KCK. Trincomalee ; Tampalakam. 

 Meretrix sinensis, CHEMNITZ. S.E. of Ceylon. 



Lioconcha picta, LAMARCK. Off' Negombo; Gulf of Maiiaar ; Aripu; Trincomalee. 

 Circe scripta, LINN. Aripu. 



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