CYCLOSTOMUS. 47 



e,f. Malta. 



g. Var. Malta. Presented by J. Ritchie, Esq. 



*** Shell conical, elongate. 



15. Cyclostomus ferrugineus. 



Cyclost. ferruginea Lamck. An. s. Vert. vi. 147. n. 17., 2nd ed. 



viii. 358. n. 16. ; De Lessert, Bee. Coq. t. 29. f. 4. a — c. 

 Cyclost. ferrugineum Sow. Thes. Conch, i. 105. n. 42. t. 24. f. 55 — 



57.; Pfeiffer, Kuster, Chemn. Conch. Cab. 70. n. 65. i. 19. t. 9. 



f. 27, 28., Zeitsch. 1. c. 105. n. 21. ; Mich. Coq. d'Algers, ii. n. 2. 



f. 23. ; Potiez et Mich. Gal Moll. Douai, i. 236. t. 24. f. 7, 8. ; 



Rossmass. Icon. Moll. vi. 49. n. 396. t. 28. f. 396. 

 Cyclost. fulvum Gray in Wood's Cat. Supp. 36. 

 Turbo fulvus Wood's Cat. Supp. t. 6. f. 9. 

 Cyclost. productum Turton, Man. 94. n. 76. f. 76. 

 Cyclost. sulcata (pars) Desh., Lamck. ed. viii. 370. n. 38. 



a — c. Palm a. 



d—f. ? Mus. Cracherode. 



16. Cyclostomus dissectus. 



Cyclost. dissectum Sow. Thes. Conch, i. 105. n. 43. t. 24. f. 58, 

 59. ; Pfeiffer, Kuster, Chemn. Conch. Cab. i. 19. t. 21. f. 1, 2., 

 Zeitsch. 1. c. 105. n. 27, 



Hab. ? 



§§§ Peristome double, expanded. 



* Shell globoso-conical. Suture simple. 



17. Cyclostomus albus. 



Cyclost. album Sow. Thes. Conch. \. 141. m 139. t. 28. f. 154. ; 

 Pfeiff. 1. c. 106. n. 57. ; Kuster, Chemn. Conch. Cab. 51. n. 44. 

 i. 19. t. 6. f. 17—19. 



a — d. Jamaica. Presented by Professor C. B. Adams. 

 e — g. Jamaica. Var. fuscum. Presented by Prof. C. B. 

 Adams. 



** Shell globoso-conical. Suture crenulate. 



18. Cyclostomus Bronnii. 



Cyclost. Brormii Adams, Proc. Bost. Soc. 1845, 11.; Pfeiff. 1. c. 



105. n. 38., Zeitsch. Malak. 1846, 46.; Kuster, Chemn. Conch. 



Cab. 50. n. 43. i. 19. t. 6. f. 24, 25. 

 (3. fuscolineatum Ad. Bost. Proc. 1845, 11. ? 



