. REFERENCE TO PLATES. 



VOL. XV. 

 PLATE 1. 



FIGURE PAOB 



1. Eucalodiuni decollation Nyst. Specimen 3 



2, 3. Eucalodiuni mexicanum " Cum." Pfr. Specimen. 6 



4. Eucalodiuni denseeostatum Streb. After Strebel . . 20 



5. Eucalodiuni decurtatum H. Ad. Specimen 15 



6. 7, 8, 9. Eucalodiuni hippocastaneum Dall. Specimen. 15 

 10, 11. Eucalodiuni sumichrasti C. & F. J. de Conch... . 10 

 12. Anisospira dalli v. Mart. Specimen 26 



PLATE 2. 



1-3. Eucalodiuni speciosum Dkr. After Philippi 20 



4, 5. Eucalodiuni speciosum var. strebeii Mart. After 



Strebel 22 



6, 7. Eucalodiuni speciosum var. boucardi Pfr. Conch. 



Cab , 21 



8, 9. Eucalodium edwardsianum C. & F. Moll. Mex.. . . 23 

 10, 11. Eucalodium speciosum var. fischeri Mart. Moll. 



Mex 22 



12. Eucalodiuni edwardsianum C. & F. After Strebel. . 23 



13, 14. Eucalodiuni deshayesianum C. & F. Moll. Mex... 24 



PLATE 3. 



15, 16. Eucalodium moussonianum C. & F. Conchyl. 



Cab 16 



17, 18. Eucalodium moussonianum C. & F. Moll. Mex.. . 16 



19, 20. Eucalodium neglectum C. & F. Moll. Mex 17 



21, 22, 23. Anisospira recticosta Pfr. Moll. Mex 299 



24. Eucalodium martensi Strebel. After Strebel 18 



25. Cylindrella transaperta Sowb. Conch. Icon., xx. . .19, 141 

 26-33. Eucalodium truncatum (= martensi Streb.) Bio- 



logia. Centr. Am 18 



(305) 



