MOLLUSCAN SHELLS. 277 



Pyrula ficus, LAMARCK (P. laevigata, REEVE). Trincoraalee ; off Aripu. 

 Pyrula reticulata, LAMARCK. Gulf of Manaar; offGalle; Trincomalee, 



FAMILY: TKITONIID^E. 

 Lotorium canaliferus, LAMARCK (Triton, MONTFORT). Triiicomalee. 



Lotorium lotorium, LINN. Pearl banks off Aripu, Gulf of Manaar ; S.E. of Ceyloii ; 

 S. of Adam's Bridge. 



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



Lotorium tripus, CHEMNITZ. Trincomalee. 



Lotorium (Simpulum) chlorostomum (LAMARCK). Galle. 



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



Lotorium (Simpulum) pileare (LiNN.). Pearl banks, Gulf of Manaar ; Trincomalee. 



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 Manaar ; 

 S. of Modragam Paar. 



Lotorium (Lagena) cingulatum (PFR.). Off Aripu, Gulf of Manaar ; offGalle. 



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 

 Manaar ; S. end of Cheval Paar ; S. of Modragam Paar ; Trincomalee. 



