Erklärung der Tafeln. 



Tafel 1. 



1. 2. Cancellaria goniostoma Sow. — 3. 4. C. brevis Sow. — •>— 8. c. rigida Sow. 



— 9. 10. C. contabulata Sow. — 11. 11. C. goniostoma Sow. — 13 — W. C. crenifera Sow. 



— 17. 18. C. Thomasiana Crosse. — 19. C. brevis Sow. 



Tafel 2. 

 1 — 9. Cancellaria Reeveana Crosse. 



Tafel 3. 



1 — 4. Cancellaria asperella Lam. — 5. 6. C. melanostoma Sow. — 7—9. C. sinensis 

 Reeve. 



Tafel 4. 



1—4. Cancellaria reticulata Linne. — 5. 6. C. buccinoides Sow. — 7. 8. C. decus- 

 sata Sow. 



Tafel 5. 



1. 2. Cancellaria ovata Sow. — 3. 4. C. eburnaeformis Rve. — 5. 6. C. solida Sow. 



— 7. 8. C. acuminata Sow. 



Tafel 6. 

 1 — 4. Cancellaria tuberculata Sow. — 5—8. C. bullata Sow. — 9. 10. C. spirata Lam. 



Tafel 7. 

 1—8. Cancellaria Spengleriana Desh. 



Tafel 8. 

 1. 2. Cancellaria nodulifera Sow. — 3—6. C. cassidiformis Sow. — 7. 8. C. pyrum 

 Ad. et Reeve. 



Tafel 9. 



1. 2. Cancellaria bifasciata Desh. — 3. 4. C. buccinoides Sow. — 5—8. C. inden- 

 tata Sow. 



Tafel 10. 

 1 — 4. Cancellaria urceolata Hinds. — 5 — 8. C. textilis Kiener. 



Tafel 11. 

 1—9. Cancellaria cancellata Linne. 



Tafel 12. 



1—6. Cancellaria Bimilis Sow. — 7 — 9. C. chrysostoma Sow. — 10. 11. C. haema- 

 stoma Sow. — 12. 13. C. rugosa Lam. 



