274 CEYLON PEAEL OYSTER REPOET. 



Turritella (Haustator) columnaris, Kiener. Deep water off Galle. 



Turritella (Haustator) maculata, Reeve. S. of Adam's Bridge ; Trincomalee. 



Turritella (Zaria) duplicata, Linn. S.E. of Ceylon ; Welligam Bay ; Trincomalee ; 

 N. of Gulf of Manaar. 



Turritella (Eglisia) vittulata, Adams and Reeve. N. of Gulf of Manaar. 



Family : VERMETID7E. 

 Vermetus (Thylacodes) dentiferus, Lamarck. Gulf of Manaar. 

 Siliquaria cumingi, Morch. S. of Modragam Paar. 

 Siliquaria tostus, Morch. S.E. of Ceylon ; S. of Modragam Paar. 



Family : STR< )MBID^. 



Strombus papilio, Chemnitz. N. of Gulf of Manaar. 



Sti'ombus (Gallinula) isabella, Lamarck. Trincomalee. 



Strombus (Gallinula) marginatus, Linn. N. of Gulf of Manaar ; Trincomalee. 



Strombus (Gallinula) succinctus, Linn. Pearl banks off Aripu, Gulf of Manaar ; 

 S. of Adam's Bridge ; off Mutwal Island ; Trincomalee. 



Strombus (Canarium) canarium, Linn. Gulf of Manaar ; Trincomalee. 



Strombus (Canarium) elegans, Sowerby. Pearl banks off Aripu, Gulf of Manaar; 

 deep water off Galle ; Modragam Paar ; S. of Adam's Bridge. 



Strombus (Canarium) floridus, Lamarck. Trincomalee. 



Strombus (Canarium) gibberulus, Linn. Gulf of Manaar ; Trincomalee. 



Strombus (Canarium) pulchellus, Reeve. N. of Gulf of Manaar ; pearl bank, 

 Aripu ; S. of Adam's Bridge ; Donnan's Paar ; Trincomalee ; deep water off Galle. 



Strombus (Canarium) samarensis, Reeve. N. of Gulf of Manaar. 



Strombus (Canarium) urceus, Linn. Pearl banks, Gulf of Manaar; Trincomalee. 



Strombus (Canarium) yerburyi, E. A. Smith. N. of Gulf of Manaar; S. of 

 Adam's Bridge ; deep water off Galle ; pearl banks off Aripu ; Trincomalee. 



Strombus (Monodactylus) auris-dianae, Linn. N. of Gulf of Manaar; off Aripu. 



