280 CEYLON PEARL OYSTER REPORT. 



FAMILY: COLUMBELLLD.E. 



Columbella propinquans, E. A. SMITH. Jokkenpiddi Paar ; Trincomalee ; S. of 

 Adam's Bridge ; Donnan's Paar. 



Columbella (Pygmaea) flavida, LAMARCK. Gulf of Manaar ; Jokkenpiddi Paar ; off 

 Mutwal Island. 



Columbella (Pygmsea) pardalina, LAMARCK. S. of Modragam Paar ; pearl banks, 

 Gulf of Manaar. 



Columbella (Pygmsea) turturina, LAMARCK. Cheval Paar ; Donnan's Paar ; S. of 

 Modragam Paar. 



Columbella (Pygmaea) tyleri, GRAY. S. of Modragam Paar. 



Columbella (Pygmaea) versicolor, SOWERBY. Off Galle. 



Columbella (Conidea) flaya, BRUG. Pearl banks, Gulf of Manaar ; Cheval Paar. 



FAMILY : NASSID^. 



Nassa arcularia, LINN. -Trincomalee. 



Nassa nevilliana, PRESTON. Trincomalee. 



Nassa pulla, LINN. Pearl banks, Gulf of Manaar ; S. of Adam's Bridge. 



Nassa (Arcularia) thersites, BRUG. Tampalakam Lake, Trincomalee. 



Nassa (Tritia) crenulata, BRUG. Welligam Bay. 



Nassa (Alectryon) elegans, KIENER. Gulf of Manaar ; Trincomalee. 



Nassa (Alectryon) glans, LINN. Pearl banks, Gulf of Manaar. 



Nassa (Zeuxis) pallidula, A. ADAMS. Deep water off Galle. 



Nassa (Niotha) gemmulata, LAMARCK. Pearl banks, Gulf of Manaar ; off Kaltura ; 

 deep water off Galle ; S. of Modragam Paar. 



Nassa (Niotha) marginulata, LAMARCK. Trincomalee. 



Nassa (Niotha) splendidula, DUNKER. Pearl banks, Gulf of Manaar. 



Nassa (Niotha) stigmaria, A. ADAMS. Pearl banks, Gulf of Manaar ; S. of Adam's 

 Bridge ; deep water off Galle, 





