[ xxxiii. ] 



Binney, 1. c. ii., p. 274, t. 50, f. 2, 1851. 



W. G. Binney, 1. c. iv., p. 126, 1859. No. 1. 



Fig. 5. D. Mexicanus, Lamarck. Anim. S. Vert., 

 viii., p. 252, 1838. 

 Reeve, Conch. Icon., t. 40, f. 244. 

 Carpenter, Mazatlan Cat., p. 177, 1857. No. 2. 



LIOSTRACUS. 



" 6. L. ZiEGLERi, Pfeiffer. Proc. Zool. Soc, p. 113, 

 1846. 

 Reeve, Conch. Icon,, t. 58, f. 389. 

 Carpenter, Mazatlan Cat., p. 177, 1857. No. 1. 



" 7. L. Floridanus, Pfeiffer. Zooh Proc, p. 330, 

 1856. 

 W. G. Binney, h c. iv., p. 134, t. 79, f. 3, 



1859. • No. 2. 



" 8. 'L. Dormani, W. G. Binney. Proc. Acad. Nat. 

 Sci., p. 188, 1857. 

 Terr. Moll., iv., p. 132, t. 80, f. 10, 1859. No. 3. 



THAUMASTUS. 



" 9. T. PALLIDIOR, Sowerby. Proc. Zool. Soc, p. 

 108, 1832. 

 Reeve, Conch. Icon., t. 55, f. 365. 

 BuL vegetus, Gould. Bost. Jour., vi., p. 375, 

 t. 14, f. 2. 

 Gould, Otia Conchologica, p. 184, 1862. No. 1. 



" 10. T. EXCELSUS, Gould. Bost. Jour., vi., p. 376, 

 t. 14, f. 3, Oct., 1853. 

 W. G. Binney, 1. c iv., p. 24, t. 79, f. 12, 



1859. No. 2. 



MESEMBRINUS. 



" 11, 12. M. MULTILINEATUS, Say. Proc Acad. 

 Nat. Sci., v., p. 120, 1825. 

 W. G. Binney, 1. c iv., p. 132, 1859. 

 . Bui. virgulatus, (not of Fer.,) Binney, 1. c ii., 



p. 278, t. 58, 1851. No. 1. 



" 13. M. HuMBOLDTi, Reeve. Conch. Icon., t. 58, f. 



391. No. 2. 



