NO. 1704. A COLLECTION OF SHELLS FROM PERU—DALL. 223 



Suborder STREPTODONTA. 



Superfamily PTENOGLOSSA. 



Family SCALID^. 



Genus EPITONIUM Bolten. 



EPITONIUM DUCALE Morch. 



1875. Scalaria ducalis Morch, Mai. Bljitt., vol. 22, p. 143. — 

 SowERBY, Thes. Con., Scalaria, p. 88, pi. 34, fig. 75, 1847; 

 as S. pri7ici])alis (not of Pallas, 1774). Jipijapa, Ecuador. 



EPITONIUM ELENENSE Sowerby. 



1844. Scalaria elenoms Sowerby, Proc. Zool. Soc, p. 20; Thes. 

 Con., Scalaria, p. 98, pi. 34, fig. 102, 1847. Santa Elena, Bay 

 of Gua3'aquil, Ecuador. 



EPITONIUM OBTUSUM Sowerby. 



1844. Scalaria ohtasa Sowerby, Proc. Zool. Soc, p. 29; Thes. 

 Con., Scalaria, p. 98, pi. 33, fig. 54, 1847. Santa Elena, Bay 

 of Guayaquil, Ecuador. 



EPITONIUM ORBIGNYI Nyst. 



1873. Scalaria orhignyi Nyst, Tabl., p. 48; S. elegans Orbigny, 

 Voy. Am. Mer., p. 389, pi. 64, figs. 1, 2, 1840; not of Risso, 

 1826. Southern Chile. 



EPITONIUM POLITUM Sowerby. 



1844. Scalaria jpolita Sowerby, Proc. Zool. Soc, p. 30; Thes. 

 Con. , Scalaria, p. 100, pi. 34, fig. 99, 1847. Jipijapa, Ecuador. 



EPITONIUM STATUMINATUM Sowerby. 



1844. Scalaria statmninata Sowerby, Proc. Zool. Soc, p. 30; 

 Thes. Con., Scalaria, p. 102, pi. 35, fig. 127, 1847. Bay of 

 Guayaquil, southward to Paita, Peru. 



Family JANTHINID^. 



Genus JANTHINA Bolten. 



JANTHINA EXIGUA Lamarck. 



1822. An. s. Vert., vol. 6, pt. 2, p. 206.— Tryon, Man., vol. 9, 

 p. 37, pi. 10, figs. 17-22, 1887. Chile; also Atlantic and Pacific 

 oceans. Pelagic. 



JANTHINA JANTHINA Linnaeus. 



1758. Helix jantJiina Linn^us, Syst. Nat., lOth ed., p. 772. — 

 Orbigny, Voy. Am. Mer., p. 413, pi. 61, figs. 8-10, 1841. 

 Pelagic. N. Lat. 42° to S. lat. 36° in the Pacific Ocean. 



JANTHINA PALLIDA Harvey. 



1817. Thompson's Ann. Phil. Nat. Hist., vol 5, p. 96, pi. 2, fig. 

 2. Pelagic in the tropical Pacific and Atlantic. 



