— 469 — 



3. Melanopsis fusiformis, Gassies. 



4. M. — robuste, Gassies. 



VIII. Iles Loyalty. 

 Ile Ouvéa. 



1. Rhytida muUisulcata, Gassies, var. y. 



2. R. — Ouveana, Souverbie. 



3. Pseudopartula sinistrorsa, Deshayes. 



4. Placostylus fibratus, Martin (forme typique et var. x) 



5. P. — Ouveanus, Dotzauer (forme typique). 



6. P. — Guestieri, Gassies. 



7. P. — Lamberti, Gassies. 



8. P. — cicatricosus, Gassies. 



9. Pythia Crosseana, Gassies. 



10. Melania Rossiteri, Gassies. 



11. Helicina Primeana, Gassies. 



Ile Lifou. 



1. Rhytida luteolina, Gassies. 



2. Flammulina Lifouana, Montrouzier (type et var. p). 



3. Charopa subtersa, Gassies. 



4. Pseudopartula Theobaldiana, Gassies. 



5. Placostylus Ouveanus, Dotzauer (var. p, o, e). 



6. Rulimulus Mageni, Gassies. 



7. Pupa Lifouana, Gassies. 



8. Tornatellina Noumeensis, Crosse. 



9. Succinea Paulucciae, Gassies. 



10. Pythia maurula, Gassies. 



11. Tralia Bronni, Philippi. 



12. Melampus luteus, Quoy et Gaimard. 



13. Melampus ovuloides, Baird. 



14. Truncatella subsulcata, Gassies. 



15. Helicina Gallina, Gassies. 



16. H. — Lifouana, Crosse (type et var. P). 



17. H. — sphaeroidea, Pfeifler, 



