MOLLUSCAN SHELLS. 277 



Pyrula ficus, Lamarck (P. laevigata, Reeve). Triucomalee ; off Aripu. 

 Pymla reticulata, Lamarck. Gulf of Manaar ; off Galle ; Triucomalee. 



Family: TRITONIIDiE. 



Lotorium canaliferus, Lamarck (Triton, Montfort). Triucomalee. 



Lotorium lotorium, Linn. Pearl bauks off Aripu, Gulf of Manaar ; S.E. of Ceylou ; 

 S. of Adam's Bridge. 



Lotorium olearium (Linn.). Off Aripu, Gulf of Manaar. 



Lotorium tripus, Chemnitz. Triucomalee. 



Lotorium (Simpulum) chlorostomum (Lamarck). Galle. 



Lotorium (Simpulum) labiosum (Wood). Deep water off Galle ; S. of Cheval Paar. 



Lotorium (Simpulum) pileare (Linn.). Pearl bauks, Gulf of Manaar ; Triucomalee. 



Lotorium (Simpulum) rubecula, Linn. Pearl banks, Gulf of Manaar. 



Lotorium (Gutturnium) cynocephalus (Lamarck). Galle. 



Lotorium (Gutturnium) exilis, Reeve. Pearl banks, Gulf of Manaar. 



Lotorium (Gutturnium) gallinago, Reeve. -Trincomalee. 



Lotorium (Gutturnium) retusum (Lamarck). Pearl banks, Gulf of Manaar. 



Lotorium (Gutturnium) tuberosum (Lamarck). Galle. 



Lotorium (Gutturnium) vespaceum (Lamarck). Pearl banks, Gulf of Mauaar ; 

 S. of Modragain Paar. 



Lotorium (Lagena) cingulatum (Pfr.). Off Aripu, Gulf of Manaar ; off Galle. 



Lotorium (Epidromus) testaceum (Morch). Cheval Paar ; S. of Adam's Bridge ; 

 pearl banks, Gulf of Manaar. 



Gyrineum crumena (Lamarck). Palk Bay ; pearl banks off Aripu, Gulf of 

 Manaar ; off Kaltura. 



Gyrineum (Bursa) albivaricosum, Reeve. Gulf of Manaar ; S. of Adam's Bridge. 



Gyrineum (Lampas) bufonia, Gmelin. Pearl banks, Gulf of Manaar. 



Gyrineum (Lampas) graniferum, Lamarck. Pearl banks off Aripu, Gulf of 

 .Mauaar : S. end of Cheval Paar ; S. of Modragam Paar ; Triucomalee. 



