208 On the Shells of the Ijouisiade Archipelago. 



5. Nerif'ina subsulcafa, Sowerby. 

 Hub. St. Aignan {Thomson). 



6. Keritina poivisiana, Rccliiz (dark var.). 

 Hub. St. Aignan (Thomson). 



7. Neritina oUvacca, Kecluz. 

 IJab. 8t. Aignan {Thomson). 



8. Neritina Turtoni, Recluz. 

 JIab. Sudest Island {MacGillivray). 



9. Neritina diadema, Rdcluz. 



Hub. ''Isula St. Stephens (Arcipclago Luisade)" {(Jaucfri). 



10. Neritina brevispina, Lamarck, var. 



Bab. St. Aignan and Rossel Island {'Thomson)-, Sudest 

 Island {Thomson and MacGillivray). 



The specimens from these islands agree with the form of 

 this species named subgranosa by liecluz. 



11. Neritina tahitensis, Lesson. 

 Ilab. Sudest Island (MacGillivray). 



12. Septaria Bougainvillet, R^eluz. 

 IJab. Sudest Island {MacGilUoraij). 



13. Melania amarula, Linuc. 

 llab. Sudest Island {MacGillivraij). 



14. Melania salomo?iis, Brot. 

 Ilab. Sudest Island {MacGillivray). 



15. Melania maurula, Reeve. 



Ilab. Louisiade Archipelago {MacGillivray). 



" South-east coast of Guinea," tlie locality given by Reeve, 

 is evidently an error, and doubtless New Guinea was intended, 

 as suggested by Brot (Mon. 3lelan. p. 196). The specimen 

 eullected by ]\JacGillivray, probably on Sudest or South-east 



