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2) Von Formosa kennen wir durch Swinhoe (L. Pfr. in 
Proc. zool. Soc. 1865 und H. Adams, Proc. zool. Soc. 1860 
und 1870) und Dickson (Smith in Proc. zool. Soc, 1878) 
folgende Arten: 
Nanina Sieboldiana Pfr. 
— Shermanni Pfr. 
— assimilis Ad. 
— Vesta Pfr. 
Helix Granti Pfr. 
— Swinhoei Pfr. 
formosensis Pfr. 
bacca Pfr. 
mellea Pfr. 
fulvicans H. Ad. 
Bairdi H. Ad. 
suceineta H. Ad. 
albida H. Ad. 
Amphidromus formosensis H. Ad. 
Clausilia exilis H. Ad. 
— similaris H. Ad. 
— Sheridani Pfr. 
— Swinhoei Pfr. 
— formosensis H. Ad. 
Ennea (Elma) Swinhoei H. Ad. 
Limnaea Swinhoei H. Ad. 
Segmentina Swinhoei. H. Ad. 
Cyelotus Swinhoei H. Ad. 
— minutus H. Ad. 
Alycaeus Swinhoei H. Ad. 
Pupinella Swinhoei H. Ad. 
Melania formosensis Smith. 
— Dieksoni Smith. 
— obliquegranosa Smith. 
— subplicata Smith. 
— tuberculata Müll. 
Unio Swinhoei H. Ad. 
Corbieula subsuleata Dkr. 
— insularis Prime.” 
 Neritina avellana Reel. Philippinen. 
— subpunctata Reel. Ind. Archipel 
— Sowerbyi Reel. Philippinen, 
Japan. 
3) Von den Liukiu-Inseln (Loo Choo Island) kennen wir, 
namentlich durch die amerikanische Expedition, deren Resul- 
tate Gould bearbeitete, folgende Arten: 
Nanina Osbeckei Phil. 
?Helix despecta Gray. 
— mandarina Gray. 
— Largillierti Phil. (immaculata 
Ad. et Rve.) 
eirculus Pfr. 
elegantissima Pfr. 
connivens Pfr. 
Luhuana Sow. 
mereatoria Gray. 
Claus. excellens Pfr. (praeclara Gld.) 
— valida Pfr. 
Succinea lyrata Gould. 
Auricula opportuna Gould. 
Segmentina lucida Gld. 
— usta Gld. 
Cyelophorus turgidus Pfr. 
Cyelotus illotus Gld. 
Helicina verecunda Gld. 
Paxillus lyratus Gld. 
Omphalotropis strietus Gld. 
Assiminea debilis Gld. 
— rubida Gld. 
Paludina histriea Gld. 
Neritella puella Gld. 
Melania Bensoni Phil, 
