Bartsch — Critical Remarks on Philippine Land Shells. 183 



i Type. 



Amphidromus maculiferus webbi, new subspecies. 



This race of Amphidromus maculiferus is most nearly related to Amphi- 

 dromus maculiferus buluanensis Bartsch. Like that race it is devoid of 

 maculations, and like it, it is provided with strong dark brown varicial 

 bands. It differs from Amphidromus maculiferus buluanensis in having the 

 ground color yellow instead of buff. In fact, this is the only member of 

 the maculiferus complex which has this coloration. 



The type and two specimens of this subspecies, Cat. No. 217,035, U. S. 

 N. M., were donated by Mr. Walter F. Webb. They were collected at 

 Cabacan, Cotabato, Mindanao. These specimens measure: 



i Type. 



