MOLLUSCAN SHELLS. 275 



Strombus (Mouodactylus) gallus, Linn. Modragam Paar. 



Pterocera lainbis, Linn. Trincomalee. 



Pterocera (Millepes) scorpio, Linn. S. of Modragam Paar. 



Rostellaria (Rimula) crispata, Sowerby. Pearl banks, Gulf of Manaar ; Trin- 

 comalee ; S.E. of Ceylou ; S. of Modragam Paar. 



Seraphs terebellum, Montfort. Pearl banks, Gulf of Manaar ; S.E. of Ceylon ; 

 S. of Modragam Paar ; Trincomalee. 



Family: CYPE^ID^. 



Cypraea arabica, Linn. Gulf of Manaar ; Tampalakam Lake; Trincomalee. 



Cyprsea caput-serpentis, Linn. Welligam Bay ; Trincomalee. 



Cypraea clandestina, Linn. Pearl banks, Gulf of Manaar ; Donnan's Paar ; Palk 

 Bay ; deep water off Galle ; Trincomalee. 



Cyprasa coffea (Sowerby). Trincomalee. 



Cypraea caurica, Linn. Gulf of Manaar. One typical example. 



Cypraea caurica, Linn., var. cairnsiana, Melvill and Standen ('Jour, of Conch.,' 

 vol. xi., 1904, p. 118). S. of Adam's Bridge; Modragam Paar; S. end of Cheval 

 Paar ; Trincomalee. 



This beautiful form bears precisely the same relation to typical caurica that 

 coloba, Melvill (= greegori, Ford) does to cruenta, Gmelin. The Ceylonese 

 examples are quite as fine, but slightly smaller, than the Karachi ones, and far 

 surpass in coloration others of this same variety from Borneo and the East Indies. 



Cypraea erosa, Linn., var. straminea, Melvill. S. of Modragam Paar. 



Cypraea errones, Linn. Trincomalee. 



Cypraea fimbriata, Gmelin. Gulf of Manaar. 



Cypraea gangrenosa (Solander), var. melanosema, Melvill. Gulf of Manaar ; 

 Modragam Paar ; off Galle. 



Cypraea lutea (Gronov.). Gulf of Manaar. 



Cypraea lynx, Linn. Trincomalee. 



Cypraea moneta (Linn.). Tampalakam; Trincomalee; Galle; S. of Modragam. 



Cyprsea neglecta, Sowerby. Gulf of Manaar ; Trincomalee. 



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