288 



Tafel 33. 

 1. 2. Cerithium tenkatei Schepm. — 3. 4. C. quadrasi Kob. — 5. 6. C. balteatum 

 A. Ad. — 7. 8. C. raricostatum A. Ad. — 9. C. mindoroense Kob. — 10. C. costatum 

 Wood. — 11. C. ambiguum C. B. Ad. — 12. 13. C. tenue Sow. — 14. 15, C. lafondi 

 Mich. — 16. 17. C. scalariforme var. 



Tafel 34. 



1. 2. Cerithium möUendorffi Kob. — 3. C. subulatum Lam. — 4. 5. C. sandwicense 



Eve. — 6. C. filosum Exe. — 7. C. inflatum Quoy. — 8. C. aduncum Eve. — 9. C. reple- 



tulum Bayle (obesum Eve.). — 10. C. planum Eve. — 11. C. planiusculum Eve. — 



12. 13. C. coronatum Eve. — 14. 15. C. invaginatum Eve. — 16. 17. C. balteatum Eve. 



Tafel 35. 

 1. Cerithium gentile Bayle. — 2. 3. C. alternatum Sow.— 4. 5. C. atratum Born. — 

 6. 7. C. subatratum Kob. — 8. 9. C. algicola C. B. Ad. — 10. C. salebrosum Sow. — 

 11. C. tessellatum Sow. — 12. C. adenense Eve. — 13. C. variabile Eve. — 14. C. yer- 

 buiyi Smith. — 15. C. proditum Bayle (fusiforme Sow.). — 16. C. asperum Pease. — 

 17. C. crassilabrum Eve. — 18. 19. C. maculosum Migh. 



Tafel 36. 

 ]. Cerithium metula Lov. — 2. 3. C. insigne Jeffr. — 4. 5. C. obeliscoides Jeffr. — 

 6. 7. C. cylindratum Wats. — 8. 9. C amblyterum "Wate. — 10. C. procerum Jeffr — 

 11- C. whiteavesi Yerr. — 12. 13' C. cinerascens Fall. — 14. 15. C. conicum Blainv. — 

 16. 17. C. decoratum Mtrs. — 18. 19. C. peloritarum Cantr. 



Tafel 37. 



1. Cerithium menkei Desh. — 2. 3. C. maillardi Crosse. — 4. 5. C. asperum Desh. — 

 6. C. scabridum Eve. — 7. C. novae hiberniae Sow. — 8. 9. C. rostratum Sow. — 

 10. 11. C. munitum Sow. — 12. 13. C. interstriatum Sow. 



Tafel 38. 



1. Cerithium rubus Eve. — 2' 3. C. tenellum Sow. — 4. C. mitriforme Sow. — 

 5. 6. C. esimium Sow. .— 7. C. gemma Sow. — 8. C. sordidulum Gld. — 9. C. rarimacu- 

 latum Sow. — 10. 11. C. nassoide Sow. — 12. C. lentiginosum Sow. — 13. C. nivosum Sow. 



Tafel 39. 

 1. 2. Cerithium coralium Dufr. — 3—6. C. eburneum Brug. — 7—10. C. zebrum 

 Kien. — 11. C. alboliratum Carp. — 12. 13. C. granosum Kien. — 14. C. fucatum Pse. — 

 15. C. californiae Sow. — 16. C. janthinulum Kob. — 17. C. rissoide Sow. — 18. C. uni- 

 lineatum Pease. — 19. C. caelatum Eve. — 20. C. egenulum Kob. 



