256 



Wood Supp., pi. 6, f. 31. 

 Thes. C., pi. 24, f. 67, 66. 

 Thes. C, pi. 24, f. 70. 

 Thes. C, pi. 31, f. 258, 259. 

 Thes. C, pi. 25, f. 79, 80. 

 Wood's Suppl., pi. 6, f. 9. 

 Bost. Proc., v. 2, p. 11. 

 Guer. Mag., pi. 117, f. 1. 

 Thes. C., pi. 23, f. 8, 9. 

 Rev. Zool., 1842, p. 101. 

 Thes. C., pi. 39, f. 233, 234. 

 Thes. C., pi. 31, b, f. 326, 327. 

 Thes. C., pi. 28, f. 169. 

 Zeits. Mai., 1846, p. 43. 

 Thes. C., pi. 31, f. 274, 275. 

 Linn. S. Bord., p. 437, pi. 3, f. 5. 

 Thes. C., pi. 30, f. 250. 

 Bost. Proc., v. 2, p. 11. 

 Linn. Soc. Bord., 1 1, pi. 3, f. 14. 

 Thes. C., pi. 29, f. 215, 216. 

 Zeitsch. Mai., 1847, p. 105. 

 Conch. Contrib., p. 9. 

 Conch. Contrib., p. 9. 

 Thes. C., pi. 24, f. 71, 72. 

 Mem. de Gen., 7, pi. 2, f. 21-28. 

 Chemn. 9, pi. 123, f. 1963. 

 Wood's Suppl., pi. 6, f. 5. 

 Thes. C., pi. 29, f. 220-222. 

 Thes. C., pi. 24, f. 73, 74. 

 Belanger Voy., pi. 1, f. 4, 5. 

 Thes. C., pi. 30, f. 232. 

 Conch. Contrib., p. 5. 

 Delessert, pi. 29, f. 5. 

 Thes. C., pi. 26, f. 114-116. 

 Mull. Verm., p. 82, No. 280. 

 Wood's Ind., pi. 32, f. 7. 

 Thes. C., pi. 27, f. 134, 135. 

 Thes. C., pi. 23, f. 12, 13. 

 Wood's Suppl., pi. 6, f. 3. 

 Conch. Contrib., p. 7 et 50. 

 Thes. C, pi. 29, f. 220-222. 

 Thes. C., pi. 24, f. 62, 63. 

 Jour. Ac. N. S., 1, p. 13. 

 Thes. C., pi. 31, f.281. 

 Thes. C., pi. 23, f. 24. 

 Proc. Bost. S. N. H., 2, p. 11. 



is Cyclostoma cylindraceum. 

 is Cyclostoma cylindraceum. 



Cyclostoma multilineatuirij Jay . 



is Cyclostoma forrugincum. 

 is Cyclostoma Bronnii, var. 

 (Cyclophorus), Montf. 

 (Aperostoma), Troschel. 

 is Cyclostoma Woodiana, Lea. 

 (Leptopoma), Pfr. 

 is Cyclostoma Deshaysianum. 

 Cyclostoma obscurum, Gray. 

 (Choanopoma), Pfr. 

 (Leptopoma), Pfr. 

 is Cyclostoma pyrostoma. 

 is Cyclostoma asperum. 

 (Choanopoma), Pfr. 

 Cyclostoma Stainforthii, Sowb. 

 (Leptopoma), Pfr. 

 Cistula pictum, Humph. 



Cyelostoma Blanchetiana. 

 (Aperostoma), Troschel. 

 Cyclostoma laeve, Gray. 

 Cyclostoma maculosa, Souley. 

 (Leptopoma), Pfr. 

 is Cyclostoma Popyanum, Lea. 

 is Cyclostoma oculus-capri. 

 (Leptopoma), Pfr. 



Cyclostoma ambiguum, Deless. 

 Cyclostoma volvulus 1 var. 

 Turbo volvulus, Chemn. 

 (Cyelophorus), Montf. 

 is Cyclostoma punctatum, Grat. 

 Turbo Jamaicensis, Chemn. 

 (Aperostoma), Troschel. 

 Cyclostoma solidum, Adams. 

 is Cyclostoma immaculatum. 

 Cyclostoma Canariense, D'Orb. 

 is Amnicola lapidaria, Say. 



(Choanopoma), Pfr. 



