212 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.ST 



Family MITKID^. 



Genus MITRA Martyn. 



MITRA EFFUSA Swainson. 



1835. Proc. Zool. Soc. , p. 191. — Reeve, Con. Icon., 3fit?'a, pi. 

 11, fig-. 100, 1811. Gulf of Panama to the Galapagos Islands. 



MITRA LENS Mawe. 



1828. Wood, Ind. Test., suppl. pi. 3, fig. 25. Mazatlan, Mexico, 

 south to Paita, Peru, and the Galapagos Islands. 



MITRA ORIENTALIS Gray. 



1831. Grifiith's Cuvier, pi. 10, fig. 5. Ancon, Peru, south to 

 Iquique, Chile. 



MITRA SEMIGRANOSA Von Martens. 



1897. Arch. Nat., vol. 63, p. 178, pi. 10, figs. 21, 25. Ecuador 

 coast and south to Chile. 



MITRA SULCATA Swainson. 



1825. Tankerville Cat.. App., p. xxvi. — Reeve, Con. Icon., 

 Mitra, pi. 22, fig. 176, 1811. West coast Central America 

 and southward to Ecuador. 



MITRA TRISTIS Swainson. 



1835. Tlaratristis Swainson, Proc. Zool. Soc, p. 191. — Reeve, 

 Con. Icon. ^ Mitra, pi. 15, fig. 114, 1841. Mazatlan, Mexico, 

 to Guayaquil and the Galapagos Islands. 



Family FASCIOLARIID^. 



Genus FASCIOLARIA Lamarck. 



FASCIOLARIA GRANOSA Broderip. 



1832. Proc. Zool. Soc, p. 32. — Reeve, Con. Icon., Fasciolaria., 

 fig. 6, 1847. West Mexico, Panama; Peru (Tschudi). 



FASCIOLARIA PRINCEPS Sowerby. 



1825. Tankerville Cat., App., p. xvi.— Kiener, Icon., Fascio- 

 laria., p. 6, pis. 12, 13. Gulf of California to Peru and the 

 Galapagos Islands. 



Genus LATIRUS Montfort. 



LATIRUS CERATUS Gray. 



1828. In Wood, Ind. Test., suppl. pi. 5, fig. 15 (as Mureoc). 

 Mazatlan, Mexico, to Manta, Ecuador, and the Galapagos 

 Islands. 



LATIRUS CONCENTRICUS Reeve. 



1847. Con. Icon., Turbinella., figs. 2, 11. Acapulco, to Panama 

 and Guayaquil, 



