Plate 2 



Figures 1, 2. N onion 'pompilioides (Fichtel and Moll). X 80. Off northeastern 

 coast of United States, a, a, side views; h, h, apertural views. 

 3, 4. Nonion scaphum (Fichtel and Moll). Fig. 3. (After Fichtel and 



Moll.) Fig. 4. (After H. B. Brady.) 

 5-7. Nonion asterizans (Fichtel and Moll). Fig. 5. (After Fichtel and 

 Moll.) Fig. 6. (After Goes.) Fig. 7, " Nonionina houeana 

 d'Orbigny." (After d'Orbigny.) 

 8-12. N onion stelligerum (d'Orbigny). Fig. 8. (After d'Orbigny.) Canary 

 Islands. Fig. 9. (After H. B. Brady.) Shetlands. Figs. 10, 12. 

 (After Heron-Allen and Earland.) Off west of Scotland. Fig. 11. 

 (After H. B. Bradv.) East of Shetlands. 



59 



