p art i. PHILIPPINE LAND SHELLS BARTSCH. 43 



Fig. 5. Amphidromus bilatanensis Bartsch, Bilatan Island, British Museum, 

 type. 



6. Amphidromus inffatus Fulton, Philippine Islands, Cat. No. 99568, U.S.N.M. 



7. Amphidromus inflatus Fulton, Philippine Islands, Cat. No. 99568, U.S.N.M. 



8. Amphidromus pallidulus Pilsbry, Zamboanga, Mindanao, Cat. No. 106459, 



Phila. Acad. Nat. Sci., cotype. 



Plate 11. 



Fig.1. Amphidromus calista Pilsbry, Basilan, Cat. No. 106458, Phila. Acad. Nat. 

 Sci., cotype. 



2. Amphidromus calista Pilsbry, Basilan, Cat. No. 106458, Phila. Acad. Nat. 



Sci., cotype. 



3. Amphidromus calista Pilsbry, Basilan, Cat. No. 106458, Phila. Acad. Nat. 



Sci., cotype. 



4. Amphidromus hidalgoi Bartsch, Dapitan, Mindanao, type. Hidalgo 



collection. 



5. Amphidromus suluensis Bartsch, Islands of the Sulu Sea, Cat. No. 99564, 



U.S.N.M. 



6. Amphidromus hidalgoi Bartsch, Dapitan, Mindanao, type. Hidalgo 



collection. 



7. Amphidromus suluensis Bartsch, Islands of the Sulu Sea, Cat. No. 99564, 



U.S.N.M. 



8. Amphidromus suluensis Bartsch, Islands of the Sulu Sea, Cat. No. 99565, 



type. 



9. Amphidromus suluensis Bartsch, Islands of the Sulu Sea, Cat. No. 99565. 



Plate 12. 



Fig. 1. Amphidromus chloris Reeve, Talantalan, Zamboanga, Mindanao, Cat. No. 

 215641, U.S.N.M. 



2. Amphidromus chloris Reeve, Talantalan, Zamboanga, Mindanao, Cat. No. 



215641, U.S.N.M. 



3. Amphidromus chloris Reeve, Talantalan, Zamboanga, Mindanao, Cat. No. 



215641, U.S.N.M. 



4. Amphidromus chloris Reeve, Talantalan, Zamboanga, Mindanao, Cat. No. 



215641, U.S.N.M. 



5. Amphidromus chloris Reeve, Talantalan, Zamboanga, Mindanao, Cat. No. 



215641, U.S.N.M. 



6. Amphidromus chloris Reeve, Talantalan, Zamboanga, Mindanao, Cat. No. 



215641, U.S.N.M. 



7. Amphidromus suluensis Bartsch, Islands of the Sulu Sea, Cat. No. 



99565, U.S.N.M. 



8. Amphidromus chloris Reeve, Talantalan, Zamboanga, Mindanao, Cat. No. 



215641, U.S.N.M. 



9. Amphidromus suluensis Bartsch, Islands of the Sulu Sea, Cat. No. 



99564, U.S.N.M. 

 _ Plate 13. 



Fig. 1. Amphidromus rocscleri Mollendorff, Jolo Island, Cat. No. 215576, U.S.N.M. 



2. Amphidromus rocscleri Mollendorff, Jolo Island. Cat. No. 215576. U.S.N.M. 



3. Amphidromus rocscleri Mollendorff, Jolo Island, Cat. No. 215576. U.S.N.M. 



4. Amphidromus entobaptus Dohrn, Puerto Princesa, Palawan, Cat. No. 



254917, U.S.N.M. 



