U. S NATIONAL MUSEUM 



PROCEEDINGS. VOL 89 PLATE 25 





Species and subspecies of Tudora (Ramsdenia) (x 8). 



1, per:pi-ctiva (nucleus); 2, hufo: 3, nohililata mayariensis: 4, ?iijhi!itata yaUraien>is: ^ 5. notata (nucleus): 

 6. per.ipectiva: 7, natemoni canetensis: 8, notata: 9, natensoni natirntom. 



