24() EXPLANATION OF PLATES, VOL. XII. 



FIGURE PAGE 



22, 23. D. dominicus Reeve, var. Sheppard, del., . . . 3, 6 

 24, 25. B. marielinus Poey (= D. dominicus Rve.). After Poey, 5 

 26. Drymaeus dominicus Rve. Conch. Icon., . . . . ' 3 



PLATE 6 (Drymceus}. 



1, 2, 3, 4. D. koppeli Sovvb. P. Z. S. . . . Vol. XI, 242 



5, 6. D. tripictus var. hofFmani Mart. Biologia, . . .70 



7, 8, 9, 11. D. gabbi Angas. P. Z. S., 1879, ... 70 



10. D. gabbi Angas. Sheppard, del., . ... . .70 



12, 13. D. tripictus Alb. Sheppard, del., ''..." . . . 69 



14, 15. D. tripictus Alb. Novit. Conch., . . . .69 



16, 17, 18. D. irazuensis Angas. P. Z. S. 1878, . . .68 



19.20,24,25. D. irazuensis Anjjas. Biologia, '. /. . 68 



21,22. D. tropicalis Morelet. Moll. Mex., . . . . 85 



23. D. tropicalis Morelet. Sheppard, del., . .- .. . 85 



26-29. D. moritinctus Mart. Biologia., . . . . .79 



PLATE 7 (Drymaus). 



1. D. lilacinus Reeve. Conch. Icon., . k ; . . 35 



2, 3. D. lilacinus Reeve. Moll. Mex . . 35 



4. D. lilacinus v. undulosus Mart. Biologia, . -''!. .36 



5, 6. D. lilacinus v. crossei Mart. Moll. Mex., . . . 37 

 7,8,9. D. lilacinus v. jansoni Mart. Biologia, . . .37 



10. D. lilacinus v. ictericus Mart. Biologia, . . . 3T 



11. D. fenestratus Pfr. Conch. Icon., 34 



12,13,14. D. fenestratus Pfr. Biologia, . . . .34 



PLATE 8 (Drymceus). 



15. D. lattrei Pfr. Biologia, 41 



16. D. lattrei Pfr. Conch. Icon. . . . . . .41 



17. 18, 19. D. lattrei v. hiabundus Mts. Biologia, . .42: 



20. D. lattrei Pfr. Conch. Icon., 41 



21, 22, 23. D. lattrei Pfr. Biologia, ..... 41 



24. D. lattrei Pfr. Conch. Icon., . ; . . . .41 



25. D. lattrei Pfr. Sheppard, del. ,. . . . . .41 



26. D. lattrei Pfr. Sheppard, del., 41 



27. D. chiapasensis. After Strebel., 42; 



28. D. lattrei v. hiabundus Mart. Biologia, . . . .42 



29. D. chiapasensis Pfr. Novit. Conch., . . . .42 

 30,31. D. chiapasensis Pfr. Novit. Conch., . . . .42 



32. D. chiapasensis v. quadrifasciatus Mts. Biologia, . . 43 



33. D. chiapasensis v. nebulosus Mts. After Strebel, . . 43- 



