U. S, NATIONAL MUSEUM 



PROCEEDINGS. VOL. 85 PLATE 31 



Species and Subspecies of Chondropoma (Chondropoma) (X2; 

 1. marginalbum guantanamense; 2, m. marglnalbum: 3, m. subguanfanamense: 4, nicolasi brittoni: 5, n. Johnsoni; 

 6, n. nicolasi: 7, irilcori; 8, moestum moralesi; 9 garcianum: 10, antonense; 11, moestum decurrens: 12, w. 



