MOLLUSCAN SHELLS. 291 



Barbatia decussata, SOWERBY. Trincomalee ; Muttuvaratu Paar ; Gulf of Manaar. 

 Barbatia imbricata, POLL Gulf of Manaar ; Muttuvaratu Paar. 

 Barbatia barbata, LINN. S. of Adam's Bridge ; Palk Bay. 

 Barbatia (Barbata) fitsca, BRUG. Trincomalee ; Welligam. 



Barbatia (Barbata) lima, REEVE. Galle ; Trincomalee; Modragam ; Navakaddu 

 Paar ; Gulf of Manaar. 



Barbatia? (Barbata) obliquata, GRAY. Trincomalee. 



Anadara deshayesi, HANLEY. Gulf of Manaar. 



Scapharca compacta, REEVE. Palk Bay ; Galle. 



Scapharca pilula, REEVE. Trincomalee. 



Trisis (Parallelipipedum) tortum, LAMARCK. Palk Bay. 



Cucullsea concamerata, CHEMNITZ. S.E. of Ceylon ; Gulf of Manaar. 



Axinsea nodosa, REEVE. Aripu ; Gulf of Manaar. 



Limopsis multistriata, FORSKAL. S. of Adam's Bridge ; Gulf of Manaar. 



FAMILY: CABDITID.E. 

 Cardita abyssicola, HINDS. Muttuvaratu Paar ; Modragam. 



Cardita antiquata, POLL -7-8. of Adam's Bridge ; Trincomalee ; Galle ; Aripu ; 

 Gulf of Manaar. 



Cardita radula, REEVE. Mudalaikuli Paar; Gulf of Manaar. 



Cardita variegata, BRUG. Trincomalee ; Navakaddu. 







FAMILY: CKASSATELLID^E. 



Crassatellites radiata, SOWERBY. Chilaw Paar; Trincomalee; Gulf of Manaar, 

 Crassatellites rostrata, LAMARCK. Gulf of Manaar ; Aripu ; Trincomalee. 



FAMILY: TEIDACNID^E. 

 Tridacna elongata, LAMARCK. Trincomalee. 



Tridacna squamosa, LAMARCK. Trincomalee. 



2 P 2 



