06 



III. Kspèces foi'restrcs coiniiiiiues entre Portoi'ico et la 

 •lainaïfiue. 



* 1 . Byalimn Gundlachi, Pfeifier. 



2. — dioscoricola, C. B. Adams. 

 *3. — minuscula, Binney. 

 *4. Bulinuthis nitidulm, Pt'eiffer. 



5. CijUtulrella pnllida, Guilding. 

 *G, Oppds subxla, Pfeiffer. 

 *7. — octûHoides, C. B. Adams. 

 *8. — (loodalli, Miller. 

 *!). Suhiilina octona, Ghemnitz. 

 *10. Sjjira.iùs paliidinoldes, A. d'Orbigny. 

 * 11 . Papa peliucida, Pfeiffer. 

 12. — hexodon, C. B. Adams. 



IV. Rsi>èee<» terrestres eoimiiuiies entre Portorico et 

 ISaint-Tboiiius. 



*1. Hijalinia Gundlachi, Pfeiffer. 



*2. Hetlx vorfex, Pfeiffer. 



3. — subaqaUa, Shuttlewortli. 



4. — euclasta, Shuttlewortli. 



5. Obeliscas Swiftiamis, Pfeiffer. 

 *0. Opeas subula, Pfeiffer. 



*7. — octonoides, C- B. Adams. 

 *8. — Gondalli, Miller. 

 *1). Sabuliiia oclouu, Ghemnitz. 

 *10. Pupa peliucida, Pfeiffer. 



11. Buliniulus virgukda», Férussac. 



12. — exilis, Gmelin. 



13. — l'raterculus. Férussac. 



14. Macroceramus micrtxlon, Pfeiffer. 



15. Cylindrella pallida, Guilding. 



10. Surcinea approximatif, Sliuttleworth. 



17. Vaçiinula occidentalis, Guilding. 



18. HcUcina striata, Lamarck. 



19. — foccala, Pfeiffer. 



