42 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Fig.. 3. Amphidromus maculiferus strigatus Mollendorff, Davao, Mindanao, Cat. 

 No. 184565, U.S.N.M. 



4. Amphidromus maculiferus strigatus Mollendorff, Davao, Mindanao, Cat. 



No. 184565, U.S.N.M. 



5. Amphidromus maculiferus strigatus Mollendorff, Mindanao, Cat. No. 



185849, U.S.N.M. 



Plate 7. 



Fig. 1. Amphidromus maculiferus ooholensis Bartsch, Sevilla, Bohol, Cat. No. 

 245563, U.S.N.M. 



2. Amphidromus maculiferus ooholensis Bartsch, Sevilla, Bohol, Cat. No. 



245563, U.S.N.M. 



3. Amphidromus maculiferus ooholensis Bartsch, Sevilla, Bohol, Cat. No. 



245563, U.S.N.M., type. 



4. Amphidromus maculiferus samarensis Bartsch, Samar, Cat. No. 215579, 



U.S.N.M., type. 



5. Amphidromus maculiferus gracilior Fulton, Mainit, Mindanao, Chicago 



Acad. Sci. 

 6. Amphidromus maculiferus gracilior Fulton (no specific locality), Min- 

 danao, Cat. No. 184566, U.S.N.M. 



Plate 8. 



Fig. 1. Amphidromus maculiferus multicolor Mollendorff, Matalon, Leyte, Chi- 

 cago Academy Sciences. 



2. Amphidromus maculiferus multicolor Mollendorff, Maasin Leyte, Chicago 



Academy Sciences. 



3. Amphidromus floresi Bartsch, Mindanao, Cat. No. 215580, U.S.N.M., type. 



4. Amphidromus maculiferus multicolor Mollendorff, Leyte, Cat. No. 184562, 



U.S.N.M. 



5. Amphidromus maculiferus multicolor Mollendorff, Bato, Leyte, Webb 



Coll. 



Plate 9. 



Fig. 1. Amphidromus malindangensis Bartsch, Mount Malindang, Mindanao, Cat. 

 No. 244689, U.S.N.M. 



2. Amphidromus malindangensis Bartsch, Mount Malindang, Mindanao, Cat. 



No. 244689, U.S.N.M., type. 



3. Amphidromus basilanensis Basilan Island, Cat. No. 244691, U.S.N.M., 



type. 



4. Amphidromus maculiferus cosmius Bartsch, Basilan Island, Cat. No. 



245562, U.S.N.M., type. 



5. Amphidromus apoensis Bartsch, Mount Apo, Mindanao, Cat. No. 244690, 



U.S.N.M., type. 



6. Amphidromus apoensis Bartsch, Mount Apo, Mindanao, Cat. No. 244690, 



U.S.N.M. 



Plate 10. 



Fig. 1. Amphidromus mearnsi Bartsch, Basilan, Cat. No. 245566, U.S.N.M. 



2. Amphidromus mearnsi Bartsch, Basilan, Cat. No. 245565, U.S.N.M. type. 



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



Phila. Acad. Nat. Sci., cotype. 



4. Amphidromus bilatanensis Bartsch, Bilatan Island, British Museum, 



type. 



