NO. 1704. A COLLECTION OF SHELLS FROM PERU— D ALL. 221 



THAIS CHOCOLATA Duclos. 



1832. Farpuni ehocolata Duclos, Ann. Sci. Nat., vol. 2(5, p. 

 108, pi. 2, fig. T. — Orbigny, Voy. Ara. Mer., vol. 5, p. 436, 

 pi. 61, figs. 1-3, 1811. Paita, Fern, south to Valparaiso, 

 Chile. 



THAIS COLUMELLARIS Lamarck. 



1822. Pu7'j)ura columellaris Lamarck, An. s. Vert., vol. T, p. 

 236. — Reeve, Con. Icon., Purjyura^ pi. 2, fig. 9, 1816. Gulf 

 of Panama to Peru and the Galapagos Islands. 



THAIS COSTATA Blainville. 



1832. Purpura costata Blainville, Nouv. Ann. du Mus., vol. I, 

 p. 231, pi. 11, fig. 8. Mazatlan, Mexico, to Paita, Peru. 



THAIS CRASSA Blainville. 



1832. Purpura C7'assa Blainville, Nouv. Ann. du Mus., vol. 1, 

 p. 241, pi. 12, fig. 4 (March). — P. inelones Duclos, Ann. Sci. 

 Nat., vol 26, p. 105, pi. 1, fig. 2 (May), 1832. Gulf of Pan- 

 ama to Callao, Peru, and the Galapagos Islands. 



THAIS DELESSERTIANA Orbigny. 



1841. Voy. Am. Mer., p. 439, pi. 77, fig. 7. Cedros Island, 

 Lower California, south to the Chincha Islands, Peru. 



THAIS KIOSQUIFORMIS Duclos. 



1832. Purpura I' ! osqw'fonnis Duclos, Ann. Sci. Nat., vol. 26, 

 pi. 1, fig, 5. — KiENER, Icon., Purpura., p. 59, pi. 15, fig. 40. 

 Magdalena Bay, Lower California, southward to Tumbes, 

 Peru. 



THAIS PATULA Linnaus. 



1758. Buccinum patulwn Linnaeus, Syst. Nat., 10th ed., p. 739; 

 12th ed., p. 1202, 1767.— Reeve, Con. Icon., Purjmra, fig. 3. 

 Girif of California to Panama and the Galapagos. Peru 

 (Tschudi). West Indies. 



THAIS PERUENSIS Dall, new name. 



1909. Purpura i)eruviana Etdoux and Souleyet, Voy. Bonite, 

 Zool., vol. 2, p. 606, pi. 40, figs. 1-3, 1852. Not of Blain- 

 ville, 1832. Paita and Pacasmayo, Peru. 



THAIS PLANOSPIRA Lamarck. 



1822. Purpura planosplra Lamarck, An. s. Vert., vol. 7, p. 

 240. — Reeve, Con. Icon., Purpmra., pi. 3, fig. 14, 1846. 

 Lower California, and southward to Peru, and the Galapagos 

 Islands. 



THAIS TRIANGULARIS Blainville. 



1832. Purpura triangularis Blainville, Nouv. Ann. du Mus., 

 vol. 1, p. 223, pi. 11, fig. 4. Mazatlan, Mexico, and south 

 to Paita, Peru, and the Galapagos Islands. 



