14 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Cat. No. 

 U.S.N.M. 



244680 



244680 

 244680 

 244680 



244683 



244683 

 244683 

 244683 



244686 



244686 

 244686 

 244686 



244688 



244688 



244688 



244687 



105023a 



244685 



244685 



244685 



244685 



244682 



244682 



244682 



244682 



244684 



244684 



Num- 

 ber 

 whorls, 



7.2 



7.1 

 7 



6.8 



7 



7 



6.5 



6.5 



6.5 



7 



7 



7 



7 



6.5 



6 



Length 

 In mm. 



65.5 



64 

 59.8 



65 



60.7 



59.7 



63.5 



59 

 58 



66.2 



58.6 

 56.6 

 59.5 



60 



62.6 



64.9 



65.3 



62.5 



60 



63.5 



60.2 



Diam- 

 eter 

 in mm. 



32.7 



32.8 

 30.3 



34 



32.3 

 29.5 



34 



32 

 29.4 



33.4 



30.8 



30 



33 



33.2 



31.5 



31.7 



32.5 



33 



30.5 



32.2 



33 



31.2 



Locality. 



Trail from Sim pi tan to Buluan, 



Mindanao. 



do 



do 



Trail from Simpitan to Buluan, 



Mindanao, young individual. 

 Trail from Simpitan to Buluan, 



Mindanao. 



....do 



...do 



Trail from Simpitan to Buluan, 



Mindanao, young. 

 Trail from Simpitan to Buluan, 



Mindanao. 



....do 



do 



Trail from Simpitan to Buluan, 



Mindanao, two young. 

 Trail from Simpitan to Buluan, 



Mindanao. 



do 



do 



Lake Buluan, Mindanao 



Young individual without locality.. 



Buluan, Mindanao 



do 



do , 



do 



do 



do 



do 



Buluan, Mindanao, fragment 



Buluan, Mindanao 



Buluan, Mindanao, one young in- 

 dividual . 



Collector. 



E. A. Mearns. 



Do. 

 Do. 

 Do. 



Do. 



Do. 

 Do. 

 Do. 



Do. 



Do. 

 Do. 

 Do. 



Do. 



Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 



1 Type. 

 AMPHIDROMUS MACULIFERUS STRIGATUS (von Mbllendorff) Fulton. 



Plate 6, figs. 1-5. 



Amphidromus maculiferus Hidalgo, Journ. de Conch., vol. 36, 1888, p. 31. 

 Amphidromus maculiferus, var. strigata Fulton, Ann. Mag. Nat. Hist., 



ser. 6, vol. 17, 1896, p. 75. 

 Amphidromus maculiferus Elera, Cat. Sist. Faun. Filip., 1896. p. 617. 

 Amphidromus maculiferus strigatus (von Mollendorf) Fulton, Ann. Mag. 



Nat. Hist., ser. 6, vol. 17, 1896, p. 75. 

 Amphidromus maculiferus strigatus von Mollendobff, Abhand. Naturf. 



Ges. Gorlitz, vol. 22, 1898, p. 149. 

 Amphidromus maculiferus gracilior Pilsbky, Man. Conch., vol. 13, 1900, 



p. 132. 

 Amphidromus maculiferus gracilior, var. strigata Pilsbey, Man. Conch., vol. 



13, 1900, p. 132. 



