MOLLUSCAN SHELLS. 275 



Strombus (Moiiodactylus) gallus, LINN. Modragani Paar. 

 Pterocera lambis, LINN. Trincomalee. 

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



Rostellaria (Simula) crispata, SOWERBY. Pearl banks, Gulf of Manaar ; Trin- 

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



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

 S. of Modragani Paar ; Trincomalee. 



FAMILY: 

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



Cypraea caput-serpentis, LINN. Welligam Bay ; Trincomalee. 



CypraBa clandestina, LINN. Pearl banks, Gulf of Manaar ; Donnan's Paar ; Palk 

 Bay ; deep water off Galle ; Trincomalee. 



Cypraea 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. 



Cyprsea 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 Maiiaar; 

 Modragam Paar ; off Galle. 



Cypraea lutea (GRONOV.). Gulf of Manaar. 



Cypraea lynx, LINN. Trincomalee. 



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



Cypraea neglecta, SOWERBY. Gulf of Manaar ; Triucomalee. 



2 N 2 



