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Transactions. 



only ; from Nepean Island, a rock three-quarters of a mile away from the 

 main island, some half-dozen subfossil forms were obtained ; whilst the 

 Phillip Island Mollusca, through adverse weather, were not collected, and 

 four species are already known from that island. I herewith give the 

 Norfolk Island land molluscan fauna as known from the results of Mr. Rov 

 Bell's collection, worked out by H. B. Preston : — 



Main Island Living Molluscs. 



Dendrolamellaria mathewsi Preston. 

 Advena campbellii (Gray). 



— — var. char on Preston. 

 Greenwoodoconcha mix (Sykes). 



castaneocincta (Sykes). 



tomi Preston. 



Allenoconcha basispiralis Preston. 



- belli Preston. 



- mathewsi Preston. 

 monspittensis Preston. 



- perdepressa Preston. 



- royana Preston. 



- congener Preston. 

 Roybellia platysoma (Sykes). 

 — ■ — depressa Preston. 

 Belloconcha norfolkensis Preston. 



suteri (Sykes). 



Fanulum insculptum (Pfeiffer). 



imitatrix (Sykes). 



— ■ — testudo Preston. 

 Quintalia stoddarti floscula (Cox). 

 Mathewsoconcha belli Preston. 

 Iredaleoconcha inopina Preston. 



caloraphe Preston. 



Pittoconcha concinna Preston. 

 Nitor retinaculum Preston. 

 Macgillivrayella crystallina Preston. 

 Cryptocharopa atlantoididea Preston. 

 Norfolcioconcha norfolkensis Hedley. 

 Charopa mathewsi Preston. 



- sororcula Preston. 

 Paralaoma orestias Preston. 



— perminnta Preston. 



— depress ■tor Preston. 

 Succinea (Tapada) norfolkensis Sykes. 

 Nesopupa norfolkensis (Sykes). 

 Omphalotropis albocarinata Mousson. 



var. brenchleyi Sykes. 



suteri Sykes. 



cerea Pfeiffer. 



Palaina coxi (H. Adams). 



- norfolkensis Preston. 



belli Preston. 



Tornaiellina norfolkensis norfolkensis 



Preston. 

 Tornatellina norfolkensis moohuensis 



Preston. 

 Paludestrina norfolkensis Sykes. 



Collected by J. Macgillivray : not obtained by R. Bell. 



J ohannesoconcha mutivolva Preston, j Sitala macgillivray i Sykes. 

 pusillior Preston. 



Found Subfossil, but not Living, on Main Island. 



Fretum microstriatum Preston. 

 Mathewsoconcha albocincta Preston. 

 - vexillum Preston. 



J ohannesoconcha minuscula Preston. 

 Norfolcioconcha iota Preston. 



Found Living on Nepean Island. 



Tornatellina norfolkensis nepeanensis I Tornatellina duplicilamellata Preston. 

 Preston. 



Found Subfossil, but not Living, on Nepean Island. 



Advena campbellii nepeansis Preston. 

 Q>/ ntalia stoddarti nepeansis Preston. 

 Belloconcha elevata Preston. 



Belloconcha compacta Preston. 

 Succinea nepeanensis Preston. 

 - humerosa Preston. 



