REFERENCE TO PLATES, VOL. XVI. 317 



12, 13. Anoma gossei Pf r. Pilsbry, del 8 



14-16. Anoma tesselata cinerea Ad. Pilsbry, del 13 



17-19. Anoma nitens simpsoni Pils. Pilsbry, del 15 



PLATE 18. 



20, 21. Anoma solida Ad. Pilsbry, del 33 



22, 23. Anoma solida valida Ad. Pilsbry, del 34 



24. Anoma maugeri Wood. Index Testaceologicus 23 



25-27. Anoma nigrescens rufilabris Ad. Pilsbry, del. . . 39 



28-30. Anoma nigrescens Ad. Pilsbry, del 37 



31-33. Anoma radiata Chitty. Pilsbry, del 17 



PLATE 19. 



33-37. Anoma levis C. B. Ad. Pilsbry, del 19 



38-40. Anoma levis concinna Ad. Pilsbry, del 21 



41, 42. Anoma alboanf ractus Ch. Pilsbry, del 27 



43-45. Anoma levis bicincta Ad. Pilsbry, del 20 



46-49. Anoma levis unicincta Ad. Pilsbry, del 21 



PLATE 20. 



1. Macroceramus gundlachi Pf r. Zeitschr. f . Mai 140 



2, 3. Macroceramus gundlachi Pfr. Helen Winchester, 



del 140 



4, 5. Macroceramus pictus Gundl. Farallones. Helen 



Winchester, del 137 



6-8. Macroceramus pazi Gundl. Helen Winchester, del. 137 



9. Macroceramus parallelus Arango. Helen Winchester, 



del 138 



10, 11. Macroceramus costulatus Gundl. Helen Win- 



chester, del 145 



12. Macroceramus costulatus Gundl. Novit. Conch 145 



13, 14. Macroceramus pupoides Pfr. Helen Winchester, 



del 142 



15-17. Macroceramus festus Gundl. Novit. Conch 144 



18. Macroceramus festus Gundl. H. Winchester, del. . . 144 



19, 20. Macroceramus blaini Arango. Novit. Conch.... 147 

 21-24. Macroceramus crenatus Gundl. Novit. Conch. . . 143 

 25-28. Macroceramus variabilis Pfr. Novit. Conch 147 



PLATE 21. 



1-4. Macroceramus notatus Gundl. Novit. Conch 149 



5, 6. Macroceramus poeyi Pfr. (= pupoides Pfr.). 



Novit. Conch 142 



