NO. 1704. A COLLECTION OF SHELLS FROM PERU— BALL. 205 



Genus MARINULA King. 



MARINULA ACUTA Orbigny. 



1835. Auricula acuta Oebignt, in Guerin, Mag. de ZooL, 1835, 

 p. 23, no. 2; Voy. Am. Mer., p. 326, pi. 42, figs. 4-6, 1837. 

 Panama to Guayaquil. 



MARINULA MARINELLA Kuster. 



1844. Anrlcida m.arinella Kuster, Conch. Cab., Auricula^ p. 24, 

 pi. 3, figs. 4, 5. Callao, Peru, south to the island of Chiloe. 



MARINULA PEPITA King. 



1831. Zool. Journ., vol. 5, p. 344. — H. and A. Adams, Gen. Rec. 

 Moll., vol. 2, p. 247, pi. 83, fig. 2«, 1856. Guayaquil, south 

 to the island of Chiloe. 



Superfamily PETROPHILA. 



Family 8IPH0NARIID.E. 



Genus SIPHONARIA Sowerby. 



SIPHONARIA COSTATA Sowerby. 



1835. Proc. Zool. Soc, p. 6. — Reeve, Con. Icon., vol. 9, pi. 4, 

 fig. 19, 1856. Guacoma3^o, Central America, south to Val- 

 paraiso, Chile. 



SIPHONARIA GIGAS Sowerby. 



1825. Tankerville Cat., App., p. vi. — Reeve, Con. Icon., pi. 1, 

 fig. 3, 1856. Acapulco, Mexico, to Peru. Cocos and Gala- 

 pagos Islands. 



SIPHONARIA L.ffiVIUSCULA Sowerby. 



1835. Proc. Zool. Soc, p. 7. — Reeve, Con. Icon., vol. 9, pi. 1, 

 fig. 5. 1856. Valparaiso, southward to the Magellan Straits. 



SIPHONARIA LESSONI Blainville. 



1824. Diet. Sci. Nat., vol. 32, p. 267, pi. 44, fig. 2. Nicaragua, 

 and south to the Magellan Straits. 



SIPHONARIA LINEOLATA Sowerby. 



1835. Proc. Zool. Soc, p. 6. — Reeve, Con. Icon., vol. 9, pi. 3, 

 fig. 11, 1856. Guayaquil, south to the Chilean coast. 



SIPHONARIA MAURA Sowerby. 



1835. Proc Zool. Soc, p. 7. — Reeve, Con. Icon., vol. 9, pi. 7, 

 fig. 36, 1856. Magdalena Ba}^, Lower California, south to 

 Guayaquil. Chile (Dautzenberg). 



SIPHONARIA TENUIS Philippi. 



1860. Atacama Reise, p. 181, Zool., pi. 7, figs. ha-c. Paita, 

 Peru, to Valparaiso, Chile. 



Genus WILLIAMIA Monterosato. 



W^ILLIAMIA GALAPAGANA Dall. 



1909. Nacella snhspiralis Wimmer, Sitzb. k. Akad. Wiss. Wien., 

 vol. 80, p. 41, 1879, not of Carpenter, 1866. Galapagos 

 Islands, Panama Bay, etc. , on floating seaweed. 



