THE MOLLUSCA HEDLEY. 503 



Length 11, height 8, breadth of conjoined valves 5-5 mm. 



Alive in the lagoon under loose blocks of dead coral. There is 

 a specimen of this species in this Museum from New Caledonia, 

 labelled by Mr. E. A. Smith, "Scintilla ovulina, Desh.," with the 

 description and figure of which it does not agree. 



SCINTILLA SEMICLAUSA, Sowerby. 



Sowerby, Conch. Icon., xix., Scintilla, 1874, pi. ii., sp. 9. 

 One specimen alive in shallow water in the lagoon. 

 Recorded by Melvill and Standen from Lifu. 



ATACTODEA STRIATA, Gmelin. 



(Fig. 55). 

 Reeve, Conch. Icon., viii., Mesodesma, 1854, pi. ii., sp. 10. 



Abundant alive in sand at 

 low water along the margin of 

 the lagoon. It was eaten by 

 the children who called it 

 "assouri." An enlarged draw- 

 ing taken from life on the spot 

 is here reproduced. The animal 

 is extremely bold and active, it y l<T -5 



is cream colour with a vivid 

 scarlet border to the anterior edge of the mantle. 



Unless slight difference of sculpture be regarded as of specific 

 distinction, this species is shown by Museum material, under 

 various names from Port Curtis, Eclipse Island, Queensland ; Guam, 

 Ladrones ; Teste Island, Louisiade Archipelago; the Solomons; 

 New Hebrides ; Fiji ; and Samoa. 



ASAPHIS DEFLOHATA, LlWlf '. 



Reeve, Conch. Icon., x., Capsa, 1856, pi. i. 



This species is abundant on the Funafuti lagoon. 



Reeve reports it from Tahiti, and Melvill and Standen from 

 Lifu. It is represented in this Museum from Torres Straits and 

 Port Curtis, Queensland; Woodlark Island, British New Guinea; 

 Vate, New Hebrides ; New Caledonia ; and the Gilberts. 



PSAMMOBIA SQUAMOSA, Lamarck. 



Reeve, Conch. Icon., x., 1857, Psammobia, pi. vii., sp. 50. 

 One young and separate valve from the lagoon beach. 



CARDIUM ANGULATUM, Lamarck. 



Reeve, Conch. Icon., ii., 1845, Cardium, pi. xiv., sp. 70. 

 Single valves are not uncommon on the lagoon beaches. 



